BoghdadyJR/radiology · Datasets at Hugging Face

image_id stringlengths 10 10	caption stringlengths 100 2.86k	modality stringclasses 3 values
ROCO_00003	Bacterial contamination occurred after completion of root canal treatment in the tooth, which remained with a temporary filling for 15 month.	ct
ROCO_00007	Plain abdomen x-ray: Multiple air levels at the mid-abdomen (arrows), no radiopaque shadow, and no air under the diaphragm.	xray
ROCO_00008	A 3-year-old child with visual difficulties. Axial FLAIR image show a supra-sellar lesion extending to the temporal lobes along the optic tracts (arrows) with moderate mass effect, compatible with optic glioma. FLAIR hyperintensity is also noted in the left mesencephalon from additional tumoral involvement	ct
ROCO_00012	An example of MRI image that takes advantage of joint effusion as contrast material in acute scenario. 57x46mm (150 x 150 DPI).	mri
ROCO_00013	Child with abduction and flexion of right lower extremity and hyperextension of the tibia on the femur, associated with dislocation of the left hip, probably the result of the dangerous position of adduction in production of pathological dislocation. A roentgenogram of the mother’s pelvis, one week before delivery, showed this same deformity in utero.	ct
ROCO_00014	Axial T2 HASTE MR image shows loss of normal trilaminar myometrial architecture and mild focal thinning of placenta at the site of compression of myometrium in front of aorta (black arrow), just proximal to the bifurcation. Normal trilaminar signal pattern of myometrium can be seen at other regions (white arrows)	ct
ROCO_00021	Right-sided metatarsal in dorsoplantar projection.Cow. Age group IV—cattle 4–8 years. (a) Narrow symphysis that is (b) indistinct from the bone surface.	ct
ROCO_00029	Post-Treatment MRIAxial T1-weighted, contrast-enhanced image showing the same lesion as Figure 3.	mri
ROCO_00032	Axial contrast-enhanced computed tomography image of the abdomen 3 months after anti tuberculous treatment showing complete resolution of the lesions	ct
ROCO_00035	AP pelvis X-ray obtained 6 weeks from initial presentation which shows early femoral head collapse.	xray
ROCO_00038	CT image of the liver shows air in the hepatic veins (arrow) and air-contrast level in the inferior vena cava (arrowhead).	ct
ROCO_00045	Computed tomography scan obtained on December 24, 2014 (7 days before treatment).Notes: Scan demonstrates a mass in the upper lobe of the left lung, multiple enlarged lymph nodes in the mediastinum, and pleural effusion; arrow indicates abundant pericardial effusion around the pericardium.	ct
ROCO_00046	Coronal contrast chest CT image showing the two aberrant arteries (white arrow) arising directly from the thoracic aorta and the left lower lobe cystic lesion.	ct
ROCO_00047	Osteoid osteoma in the femur. Axial CT scan shows a nidus (arrow) within the cortex, with surrounding dense sclerosis (arrowhead)	ct
ROCO_00048	Mandibular occlusal view radiograph showing fusion of mandibular teeth with talon cusp with respect to 41 and 42	ct
ROCO_00051	Posteroanterior radiography immediately before reintervention showing the inferior vena caval loop of the pacemaker lead strongly attached to the endothelium. The tip of the electrode is still attached the right ventricular wall. At that time an exit block was predominantly existent.	ct
ROCO_00055	Destroid lung due to progressive pulmonary tuberculosis in a 16-year-old boy. CT scan (lung window) shows diffuse bilateral small and large air-filled cystic lesions (black arrows) associated with ground-glass attenuation and disseminated miliary micronodular lesions on the right (white arrows).	ct
ROCO_00064	Catch of the muscles with 5.0 non-resorbable suture thread and their resection near the insertion; Eye prosthesis made up of a Polymethyl methacrylate) (PMMA) ball covered with a Polyethylene terephthalate shell (Dacron)	ct
ROCO_00066	X-ray arthrogram showing mild contrast tracking along the proximal lateral aspect of the femoral component.	ct
ROCO_00069	Computed tomography axial section after injection of contrast medium in parenchymal time showing a large thrombus in the left renal vein extending from the segmental renal veins to the inferior vena cava, complicated by cortical infarction.	ct
ROCO_00070	Postoperative panoramic radiograph after surgery. The costochondral graft was adjusted to the left condyle area and secured on the left mandibular ramus by five bicortical screws for rigid internal fixation	xray
ROCO_00071	Solid—cystic teratoma containing different types of tissue like fat, albuminous liquid and other solid parts (MRI, T1-gradient echo sequence, coronal).	mri
ROCO_00075	Radiation-induced liver disease: a 21-year-old woman with lymphoma of the right anterior chest wall. The patient received 39.6 Gy to the right chest wall. CT obtained 5 weeks after the completion of radiation therapy shows a well-defined area of low attenuation in the liver with a sharp demarcation between the area of radiation and the normal liver. This is consistent with the straight-border sign of radiation change.	ct
ROCO_00078	Anterior-posterior radiograph of the left shoulder of a 36-year-old male patient showing the failed reconstruction of the acromioclavicular (AC) joint with an allograft because of type 5 AC separation	ct
ROCO_00081	Pelvic X-RAY hours after the CT showed the gastric band and its connecting tube in the lower pelvis	ct
ROCO_00085	Contrast MRI head axial section showing an irregularly enhancing mass in the right medial temporal lobe anteriorly in the close proximity to the cavernous sinus and oculomotor nerve (arrow).	mri
ROCO_00086	Endo-vaginal ultrasonography of anal sphincter in a patient with rectal prolapse: irregular and asymmetrical appearance of the internal anal sphincter (IAS arrow), without defect (A: anterior, and P: posterior).	ct
ROCO_00087	Chest X-ray, which confirmed the position of guidewire, extending from the right internal jugular vein up to inferior vena cava	xray
ROCO_00088	Sagittal CT angiogram of abdomen demonstrating mechanical fragmentation and displacement of stent.	ct
ROCO_00089	Melorheostosis involving the ulnar aspect of the third proximal phalanx. Note that it takes on the appearance of dripping candle wax.	ct
ROCO_00093	Anterior uveitis with cystoid macular edema.In a 57-year-old female with quiescent anterior uveitis, peripheral vessel leakage and cystoid macular edema were detected.	ct
ROCO_00097	Axial view of PET-CT scan image demonstrates a large hypermetabolic mass with intense uptake of F18 Levo-DOPA in the posterior mediastinum near the left atrium which is consistent with paraganglioma.	ct
ROCO_00102	CT scan of abdomen and pelvis with IV contrast coronal section showing perinephric hematoma, nonobtructive lower pole 6 mm stone and 1.1 cm obstructive proximal ureteral stone (arrow heads). Marked left perinephric stranding with extension of extracapsular hematoma to distal aorta, iliac vessels, and presacral space was noted.	ct
ROCO_00107	MRI showing that the mass was greatly enhanced, with a clear portion in the nearby tissues.MRI showing that the mass was greatly enhanced, with a clear portion in the nearby tissues	mri
ROCO_00109	A post-operative axial magnetic resonance image. The signal void caused by the presence of the steel and titanium implants obscures any details of the spinal cord or decompression.	mri
ROCO_00111	Coronal T1-weighted magnetic resonance imaging showing a tumor with homogenous low-signal intensity and well-defined margins.	mri
ROCO_00116	Plain radiographs, though less sensitive than computed tomography, are an acceptable screening examination. A calcific focus is visible just anterior to C1.	ct
ROCO_00120	Multi-slice 16 row ECG- gated cardiac CT reveals an irregular mass in the right atrium and a moderate pericardial effusion.	ct
ROCO_00121	Magnetic resonance angiography image showing almost complete thrombosis of the basilar artery (arrow). This is an extension from the vertebral artery dissection and thrombosis.	mri
ROCO_00125	Abdominal computed tomography reveals an ill-defined hypodense mass approximately 3.0 × 1.6 cm in diameter in the pancreatic tail.	ct
ROCO_00127	Intra-oral periapical radiographs showing ill-defined radiolucency, displacement and resorption of apical parts of roots of teeth in the areas of lesion 2	xray
ROCO_00129	Posteroanterior chest radiograph depicts a solitary pulmonary nodule in the middle third of the right hemithorax (arrow). Slight spiculation of its contour can be appreciated.	ct
ROCO_00131	Axial magnetic resonance imaging of case 2 revealed a mass measuring 2.0×2.0 cm in the retrobulbar compartment of the right orbit causing proptosis.	mri
ROCO_00132	Abdominal CT scan showing an exophytic well-defined round mass in the duodenal bulb. The mass enhanced as gastric mucosa and was presumed to be a duodenal gastrointestinal stromal tumor (GIST).	ct
ROCO_00133	Panoramic view showing multiple impacted permanent and supernumerary teeth, hypoplastic maxillary sinus and slender coronoid process.	ct
ROCO_00141	CT fistulogram with coronal reconstruction (posterior to Figure 2) showing the bifurcation of the fistula tract; one opening into the external auditory canal (shown by right facing arrow) and other going to retroauricular region (shown by upward arrow).	ct
ROCO_00142	Lateral radiograph of reticulum showing clearly demarcable diaphragmatic line and presence of potential and nonpotential metallic densities cranial to diaphragm.	xray
ROCO_00143	Abdominal computed tomography (sagittal reconstruction): A: desmoid-type fibromatosis; B: sigmoid colon involved; C: ileal loop involved.	ct
ROCO_00145	Preoperative emergency CT scan showing a cecal tract (oval) with stricture and adjacent hyperdense, elevated, and irregular area (arrow).	ct
ROCO_00147	CT scan of the same patient in Figure 1, demonstrating loculation and septation of the pleural space, indicating a phase II empyema	ct
ROCO_00150	Magnetic resonance imaging brachial plexus showing hypertrophy of the right plexus with contrast enhancement	mri
ROCO_00152	Axial CT image of the lower pelvis. A well-circumscribed solid tumor is seen in the presacral region, with no signs of infiltration, in contact with the posterior wall of the rectum (arrow).	ct
ROCO_00154	A chest radiograph shows reticulonodular shadowing with bilateral apical lung fibrosis and high density nodules in coal workers pneumoconiosis	xray
ROCO_00157	Supraglottic SCC – False cord. Axial contrast CT section through the false cords shows a mass within the right false cord and invading into the right PGS (black asterisk)	ct
ROCO_00165	CT scan of the abdomen with contrast media reveals a large-size intra-abdominal mass displacing the adjacent structures. In the same scan a suspicious lesion is identified in the right adrenal. In some rare cases desmoid tumors may co-exist with adrenal or thyroid carcinomas and adrenal adenomas.	ct
ROCO_00168	Three-dimensional (3D) magnetic resonance angiography (MRA) shows bilateral moyamoya disease that is more severe on the right side	mri
ROCO_00171	Fluoroscopic spot film of a tube cholangiogram demonstrating contrast (bile) extravasation (bile leak site; open arrow) from a dehisced isolated right intrahepatic bile duct segment (arrow). An adjacent biloma is seen with a drain in it.	ct
ROCO_00172	Chest X-ray findings. Chest radiograph revealed an engorged pulmonary trunk with an abrupt cutoff of pulmonary vascularity in the distal portions bilaterally, indicative of the "Westermark sign" (arrows).	xray
ROCO_00174	Lateral-view radiograph of a wrist that underwent arthrodesis with minimal fixation. Note the dorsal bone plate and the free carpometacarpal joints. The Kirschner wires that had been holding the bone plate and radiocarpal joint have been removed.	xray
ROCO_00177	Surveillance-enhanced MRI scan showing enlargement of the right adrenal gland seven months after radical cystectomy.	mri
ROCO_00192	Intraoral periapical radiograph of the patient depicting unusual morphology of mandibular left second premolar	ct
ROCO_00195	MRI scan showing the prostatic neoplasm, without a neoplasm of the bladder or other areas of the urethra, but with skeletal metastasis.	mri
ROCO_00196	Computed tomography with contrast medium (portal phase). The presence of abscess was suspected at the right lobe of the liver.	ct
ROCO_00197	Magnetic resonance of abdomen showing two lesions within the right lobe of the liver along the peripheral surface (black arrows).	mri
ROCO_00198	Basal ganglia calcification. Unenhanced CT image of patient number 2 shows punctate calcification in the head of the left caudate nucleus (arrows).	ct
ROCO_00203	Soft tissue Bankart lesion with a tear of the anterior inferior labrum and an adjacent, small, full-thickness mild (<25%) chondral defect over the anterior inferior glenoid (arrow) on an axial proton density sequence.	ct
ROCO_00204	Brain CT obtained 6 days after cerebral angiography shows improved sulcal obliteration of right cerebral hemisphere. CT = computed tomography.	ct
ROCO_00210	A computed tomography scan of the chest shows the main pulmonary artery was obstructed circumferentially.	ct
ROCO_00213	Radiographic observations at the time of the initial consultation showing an osteolytic lesion with an osteosclerotic change to the femoral neck (arrows).	xray
ROCO_00214	Plain chest posteroanterior radiograph shows a mass of homogenous opacity occupying the entire left hemithorax.	xray
ROCO_00219	Nine-year old girl presented with left-side orbital trauma and third cranial nerve palsy with ptosis later diagnosed with left-side dual ophthalmic arteries with external carotid artery (ECA) and internal carotid artery (ICA) origins. Left lateral view angiogram of head shows ophthalmic artery variant (black arrow) and meningo-ophthalmic artery anomaly (white arrow). The ophthalmic artery with internal carotid artery origin (broken arrow) is visible because of injected external carotid artery overflow.	ct
ROCO_00220	Contrast enhanced computed tomography of abdomen showing the small enhancing periampullary neuroendocrine tumor (arrow)	ct
ROCO_00222	Radiograph of chest and abdomen of a neonate following cardiac surgery, showing a misplaced intravenous line into a hepatic vein. The intravenous line has been introduced via the right femoral vein	xray
ROCO_00225	Coronal Thoracic Spine MRI image, T2W. Abnormal high signal in T5 and T8 vertebral bodies with right atypical thoracic scoliosis.	mri
ROCO_00233	Transverse high-resolution USG grey scale image (7–11 MHz) image (A) of medial aspect of distal foot showing hypoechoic lesions with central hyperechoic fungal grains (arrow).	ct
ROCO_00234	A 54-year-old woman with adenocarcinoma of the sigmoid colon, without mucinous differentiation. Bilateral adrenal metastases (asterisks) are seen on this axial noncontrast CT image, with amorphous calcification (arrow) within the right adrenal metastasis.	ct
ROCO_00238	28-year-old male with massive hemoptysis and recurrent intractable hemoptysis. Frontal chest radiograph: right-sided aortic arch, diminutive left hilum, small left lung hemithorax, and left-sided rib notching (white arrows).	ct
ROCO_00240	Isolated bronchial malinosculation - Bronchial atresia. Axial CT chest section in lung window shows a mucoid impacted bronchus (black arrow) supplying the apicoposterior segment of the left upper lobe with hyperinflation (white arrow) of the involved segment	ct
ROCO_00241	Initial computed tomography (CT) scan of the abdomen. Cross-sectional image of the mid portion of two intussusceptions (arrows) illustrates small bowel invagination of the small bowel. No evidence of bowel obstruction.	ct
ROCO_00242	Transthoracic echocardiogram showing patent ductus arteriosus with flow (blue) from the pulmonary artery to the aorta. PA: pulmonary artery, DA: ductus arteriosus, and Ao: aorta.	ct
ROCO_00243	Lateral radiograph of the right knee demonstrating 2 patellar tunnels and 1 tunnel in the femur for case 1.	xray
ROCO_00244	The radiograph at the time of frame removal showed widened pin holes and a hypertrophic partial union.	xray
ROCO_00245	Method for determining Cardiothoracic Ratio.Digital Posterior-Anterior Chest Radiograph (CXR) with maximal cardiac diameter in red and maximal thoracic diameter in green. Cardiothoracic ratio (CTR) is 0.57.	ct
ROCO_00249	Abdominal CT scan. The CT scan from this patient shows a mildly enlarged spleen measuring 14 cm in longitudinal dimension. He had multiple splenic lacerations however, and this slice shows a 3.7 cm transverse splenic laceration.	ct
ROCO_00252	Radiographic image illustrating the measurement of the first MTT shortening in relation to the second, where the value is expressed as the difference A-B.	xray
ROCO_00259	Example of the dose distribution in intra-operative planning on a representative patient. On the trans-rectal ultrasound image, the focal clinical target volume (dark brown), planning target volume (cyan), prostate (red), urethra (green), and rectum (blue) images are contoured. The dose distributions are shown in light green (100% = 145 Gy) and purple (150% = 217.5 Gy). The focal clinical target volume received a dose of approximately 150%, and the planning target volume received a dose of approximately 100%. Rectum sparing in the dose distribution is apparent	ct
ROCO_00262	Breast ultrasonography of the axillary lesion. A minimum of 20 irregular masses of dispersed sizes were observed surrounding the suspected metastatic left axillary lymph node. The smallest and greatest diameters observed were 5 and 35 mm, respectively.	ct
ROCO_00266	Twin A magnetic resonance imaging: Absence of the T1-weighted high signal corresponding to the rectum.	mri
ROCO_00267	Hallucal sesamoids. Axial view radiograph of the forefoot shows normal hallucal sesamoids (arrows) and their articulation with the first metatarsal head (asterisk)	xray
ROCO_00269	Axial view of same tooth reconstructed from 3D Accuitomo 170 6˝ FOV (arrow show vertical fracture in axial image).	ct
ROCO_00280	A 37-year-old male with a history of HL treated with chemotherapy and mediastinal radiation 5 years ago. Axial contrast-enhanced CT image reveals anterior mediastinal lymphadenopathy with peripheral calcification (arrows)	ct
ROCO_00282	An X-ray of the wrist demonstrated no significant findings such as rheumatoid arthritis, distal radius, or carpal fracture.	ct
ROCO_00284	Multislice CT. Coexisting[T1] areas of high enhancement are visible at the lower parotid pole with multiple cervical lymphadenopathies at the level III and IV cervical nodes.	ct
ROCO_00285	Follow-up brain magnetic resonance imaging - fluid attenuated inversion recovery sequencing showed resolution of bilateral occipital lesions with symmetrical putaminal high signal abnormalities (black arrows).	mri
ROCO_00287	Preoperative computed tomography scan: lipid formation without any capsular structure in the perineum.	ct
ROCO_00289	The axial CT scan shows an infiltrating tumor mass with bony destruction of lateral orbital wall and skullbase.	ct
ROCO_00290	X-ray of right foot showing metatarsal osteomyelitis. Extensive destruction of the fifth metatarsal bone is present.	ct
ROCO_00291	Contrast-enhanced axial CT brainMultiple solid enhancing cortical lesions with dense gyriform calcifications are seen in both cerebral hemispheres. CT- computed tomography	ct
ROCO_00292	Right (R) lateral recumbent radiograph of the thorax, day 1. Note the cardiomegaly and dilated, tortuous pulmonary lobar arteries	xray
ROCO_00297	T2*-GRE at the level of the caudate nucleus showing 5 punctate hypointense lesions at the grey/white matter junctions (Arrows identify two lesions).	ct

ROCO_00003

Bacterial contamination occurred after completion of root canal treatment in the tooth, which remained with a temporary filling for 15 month.

ct

ROCO_00007

Plain abdomen x-ray: Multiple air levels at the mid-abdomen (arrows), no radiopaque shadow, and no air under the diaphragm.

xray

ROCO_00008

A 3-year-old child with visual difficulties. Axial FLAIR image show a supra-sellar lesion extending to the temporal lobes along the optic tracts (arrows) with moderate mass effect, compatible with optic glioma. FLAIR hyperintensity is also noted in the left mesencephalon from additional tumoral involvement

ct

ROCO_00012

An example of MRI image that takes advantage of joint effusion as contrast material in acute scenario. 57x46mm (150 x 150 DPI).

mri

ROCO_00013

Child with abduction and flexion of right lower extremity and hyperextension of the tibia on the femur, associated with dislocation of the left hip, probably the result of the dangerous position of adduction in production of pathological dislocation. A roentgenogram of the mother’s pelvis, one week before delivery, showed this same deformity in utero.

ct

ROCO_00014

Axial T2 HASTE MR image shows loss of normal trilaminar myometrial architecture and mild focal thinning of placenta at the site of compression of myometrium in front of aorta (black arrow), just proximal to the bifurcation. Normal trilaminar signal pattern of myometrium can be seen at other regions (white arrows)

ct

ROCO_00021

Right-sided metatarsal in dorsoplantar projection.Cow. Age group IV—cattle 4–8 years. (a) Narrow symphysis that is (b) indistinct from the bone surface.

ct

ROCO_00029

Post-Treatment MRIAxial T1-weighted, contrast-enhanced image showing the same lesion as Figure 3.

mri

ROCO_00032

Axial contrast-enhanced computed tomography image of the abdomen 3 months after anti tuberculous treatment showing complete resolution of the lesions

ct

ROCO_00035

AP pelvis X-ray obtained 6 weeks from initial presentation which shows early femoral head collapse.

xray

ROCO_00038

CT image of the liver shows air in the hepatic veins (arrow) and air-contrast level in the inferior vena cava (arrowhead).

ct

ROCO_00045

Computed tomography scan obtained on December 24, 2014 (7 days before treatment).Notes: Scan demonstrates a mass in the upper lobe of the left lung, multiple enlarged lymph nodes in the mediastinum, and pleural effusion; arrow indicates abundant pericardial effusion around the pericardium.

ct

ROCO_00046

Coronal contrast chest CT image showing the two aberrant arteries (white arrow) arising directly from the thoracic aorta and the left lower lobe cystic lesion.

ct

ROCO_00047

Osteoid osteoma in the femur. Axial CT scan shows a nidus (arrow) within the cortex, with surrounding dense sclerosis (arrowhead)

ct

ROCO_00048

Mandibular occlusal view radiograph showing fusion of mandibular teeth with talon cusp with respect to 41 and 42

ct

ROCO_00051

Posteroanterior radiography immediately before reintervention showing the inferior vena caval loop of the pacemaker lead strongly attached to the endothelium. The tip of the electrode is still attached the right ventricular wall. At that time an exit block was predominantly existent.

ct

ROCO_00055

Destroid lung due to progressive pulmonary tuberculosis in a 16-year-old boy. CT scan (lung window) shows diffuse bilateral small and large air-filled cystic lesions (black arrows) associated with ground-glass attenuation and disseminated miliary micronodular lesions on the right (white arrows).

ct

ROCO_00064

Catch of the muscles with 5.0 non-resorbable suture thread and their resection near the insertion; Eye prosthesis made up of a Polymethyl methacrylate) (PMMA) ball covered with a Polyethylene terephthalate shell (Dacron)

ct

ROCO_00066

X-ray arthrogram showing mild contrast tracking along the proximal lateral aspect of the femoral component.

ct

ROCO_00069

Computed tomography axial section after injection of contrast medium in parenchymal time showing a large thrombus in the left renal vein extending from the segmental renal veins to the inferior vena cava, complicated by cortical infarction.

ct

ROCO_00070

Postoperative panoramic radiograph after surgery. The costochondral graft was adjusted to the left condyle area and secured on the left mandibular ramus by five bicortical screws for rigid internal fixation

xray

ROCO_00071

Solid—cystic teratoma containing different types of tissue like fat, albuminous liquid and other solid parts (MRI, T1-gradient echo sequence, coronal).

mri

ROCO_00075

Radiation-induced liver disease: a 21-year-old woman with lymphoma of the right anterior chest wall. The patient received 39.6 Gy to the right chest wall. CT obtained 5 weeks after the completion of radiation therapy shows a well-defined area of low attenuation in the liver with a sharp demarcation between the area of radiation and the normal liver. This is consistent with the straight-border sign of radiation change.

ct

ROCO_00078

Anterior-posterior radiograph of the left shoulder of a 36-year-old male patient showing the failed reconstruction of the acromioclavicular (AC) joint with an allograft because of type 5 AC separation

ct

ROCO_00081

Pelvic X-RAY hours after the CT showed the gastric band and its connecting tube in the lower pelvis

ct

ROCO_00085

Contrast MRI head axial section showing an irregularly enhancing mass in the right medial temporal lobe anteriorly in the close proximity to the cavernous sinus and oculomotor nerve (arrow).

mri

ROCO_00086

Endo-vaginal ultrasonography of anal sphincter in a patient with rectal prolapse: irregular and asymmetrical appearance of the internal anal sphincter (IAS arrow), without defect (A: anterior, and P: posterior).

ct

ROCO_00087

Chest X-ray, which confirmed the position of guidewire, extending from the right internal jugular vein up to inferior vena cava

xray

ROCO_00088

Sagittal CT angiogram of abdomen demonstrating mechanical fragmentation and displacement of stent.

ct

ROCO_00089

Melorheostosis involving the ulnar aspect of the third proximal phalanx. Note that it takes on the appearance of dripping candle wax.

ct

ROCO_00093

Anterior uveitis with cystoid macular edema.In a 57-year-old female with quiescent anterior uveitis, peripheral vessel leakage and cystoid macular edema were detected.

ct

ROCO_00097

Axial view of PET-CT scan image demonstrates a large hypermetabolic mass with intense uptake of F18 Levo-DOPA in the posterior mediastinum near the left atrium which is consistent with paraganglioma.

ct

ROCO_00102

CT scan of abdomen and pelvis with IV contrast coronal section showing perinephric hematoma, nonobtructive lower pole 6 mm stone and 1.1 cm obstructive proximal ureteral stone (arrow heads). Marked left perinephric stranding with extension of extracapsular hematoma to distal aorta, iliac vessels, and presacral space was noted.

ct

ROCO_00107

MRI showing that the mass was greatly enhanced, with a clear portion in the nearby tissues.MRI showing that the mass was greatly enhanced, with a clear portion in the nearby tissues

mri

ROCO_00109

A post-operative axial magnetic resonance image. The signal void caused by the presence of the steel and titanium implants obscures any details of the spinal cord or decompression.

mri

ROCO_00111

Coronal T1-weighted magnetic resonance imaging showing a tumor with homogenous low-signal intensity and well-defined margins.

mri

ROCO_00116

Plain radiographs, though less sensitive than computed tomography, are an acceptable screening examination. A calcific focus is visible just anterior to C1.

ct

ROCO_00120

Multi-slice 16 row ECG- gated cardiac CT reveals an irregular mass in the right atrium and a moderate pericardial effusion.

ct

ROCO_00121

Magnetic resonance angiography image showing almost complete thrombosis of the basilar artery (arrow). This is an extension from the vertebral artery dissection and thrombosis.

mri

ROCO_00125

Abdominal computed tomography reveals an ill-defined hypodense mass approximately 3.0 × 1.6 cm in diameter in the pancreatic tail.

ct

ROCO_00127

Intra-oral periapical radiographs showing ill-defined radiolucency, displacement and resorption of apical parts of roots of teeth in the areas of lesion 2

xray

ROCO_00129

Posteroanterior chest radiograph depicts a solitary pulmonary nodule in the middle third of the right hemithorax (arrow). Slight spiculation of its contour can be appreciated.

ct

ROCO_00131

Axial magnetic resonance imaging of case 2 revealed a mass measuring 2.0×2.0 cm in the retrobulbar compartment of the right orbit causing proptosis.

mri

ROCO_00132

Abdominal CT scan showing an exophytic well-defined round mass in the duodenal bulb. The mass enhanced as gastric mucosa and was presumed to be a duodenal gastrointestinal stromal tumor (GIST).

ct

ROCO_00133

Panoramic view showing multiple impacted permanent and supernumerary teeth, hypoplastic maxillary sinus and slender coronoid process.

ct

ROCO_00141

CT fistulogram with coronal reconstruction (posterior to Figure 2) showing the bifurcation of the fistula tract; one opening into the external auditory canal (shown by right facing arrow) and other going to retroauricular region (shown by upward arrow).

ct

ROCO_00142

Lateral radiograph of reticulum showing clearly demarcable diaphragmatic line and presence of potential and nonpotential metallic densities cranial to diaphragm.

xray

ROCO_00143

Abdominal computed tomography (sagittal reconstruction): A: desmoid-type fibromatosis; B: sigmoid colon involved; C: ileal loop involved.

ct

ROCO_00145

Preoperative emergency CT scan showing a cecal tract (oval) with stricture and adjacent hyperdense, elevated, and irregular area (arrow).

ct

ROCO_00147

CT scan of the same patient in Figure 1, demonstrating loculation and septation of the pleural space, indicating a phase II empyema

ct

ROCO_00150

Magnetic resonance imaging brachial plexus showing hypertrophy of the right plexus with contrast enhancement

mri

ROCO_00152

Axial CT image of the lower pelvis. A well-circumscribed solid tumor is seen in the presacral region, with no signs of infiltration, in contact with the posterior wall of the rectum (arrow).

ct

ROCO_00154

A chest radiograph shows reticulonodular shadowing with bilateral apical lung fibrosis and high density nodules in coal workers pneumoconiosis

xray

ROCO_00157

Supraglottic SCC – False cord. Axial contrast CT section through the false cords shows a mass within the right false cord and invading into the right PGS (black asterisk)

ct

ROCO_00165

CT scan of the abdomen with contrast media reveals a large-size intra-abdominal mass displacing the adjacent structures. In the same scan a suspicious lesion is identified in the right adrenal. In some rare cases desmoid tumors may co-exist with adrenal or thyroid carcinomas and adrenal adenomas.

ct

ROCO_00168

Three-dimensional (3D) magnetic resonance angiography (MRA) shows bilateral moyamoya disease that is more severe on the right side

mri

ROCO_00171

Fluoroscopic spot film of a tube cholangiogram demonstrating contrast (bile) extravasation (bile leak site; open arrow) from a dehisced isolated right intrahepatic bile duct segment (arrow). An adjacent biloma is seen with a drain in it.

ct

ROCO_00172

Chest X-ray findings. Chest radiograph revealed an engorged pulmonary trunk with an abrupt cutoff of pulmonary vascularity in the distal portions bilaterally, indicative of the "Westermark sign" (arrows).

xray

ROCO_00174

Lateral-view radiograph of a wrist that underwent arthrodesis with minimal fixation. Note the dorsal bone plate and the free carpometacarpal joints. The Kirschner wires that had been holding the bone plate and radiocarpal joint have been removed.

xray

ROCO_00177

Surveillance-enhanced MRI scan showing enlargement of the right adrenal gland seven months after radical cystectomy.

mri

ROCO_00192

Intraoral periapical radiograph of the patient depicting unusual morphology of mandibular left second premolar

ct

ROCO_00195

MRI scan showing the prostatic neoplasm, without a neoplasm of the bladder or other areas of the urethra, but with skeletal metastasis.

mri

ROCO_00196

Computed tomography with contrast medium (portal phase). The presence of abscess was suspected at the right lobe of the liver.

ct

ROCO_00197

Magnetic resonance of abdomen showing two lesions within the right lobe of the liver along the peripheral surface (black arrows).

mri

ROCO_00198

Basal ganglia calcification. Unenhanced CT image of patient number 2 shows punctate calcification in the head of the left caudate nucleus (arrows).

ct

ROCO_00203

Soft tissue Bankart lesion with a tear of the anterior inferior labrum and an adjacent, small, full-thickness mild (<25%) chondral defect over the anterior inferior glenoid (arrow) on an axial proton density sequence.

ct

ROCO_00204

Brain CT obtained 6 days after cerebral angiography shows improved sulcal obliteration of right cerebral hemisphere. CT = computed tomography.

ct

ROCO_00210

A computed tomography scan of the chest shows the main pulmonary artery was obstructed circumferentially.

ct

ROCO_00213

Radiographic observations at the time of the initial consultation showing an osteolytic lesion with an osteosclerotic change to the femoral neck (arrows).

xray

ROCO_00214

Plain chest posteroanterior radiograph shows a mass of homogenous opacity occupying the entire left hemithorax.

xray

ROCO_00219

Nine-year old girl presented with left-side orbital trauma and third cranial nerve palsy with ptosis later diagnosed with left-side dual ophthalmic arteries with external carotid artery (ECA) and internal carotid artery (ICA) origins. Left lateral view angiogram of head shows ophthalmic artery variant (black arrow) and meningo-ophthalmic artery anomaly (white arrow). The ophthalmic artery with internal carotid artery origin (broken arrow) is visible because of injected external carotid artery overflow.

ct

ROCO_00220

Contrast enhanced computed tomography of abdomen showing the small enhancing periampullary neuroendocrine tumor (arrow)

ct

ROCO_00222

Radiograph of chest and abdomen of a neonate following cardiac surgery, showing a misplaced intravenous line into a hepatic vein. The intravenous line has been introduced via the right femoral vein

xray

ROCO_00225

Coronal Thoracic Spine MRI image, T2W. Abnormal high signal in T5 and T8 vertebral bodies with right atypical thoracic scoliosis.

mri

ROCO_00233

Transverse high-resolution USG grey scale image (7–11 MHz) image (A) of medial aspect of distal foot showing hypoechoic lesions with central hyperechoic fungal grains (arrow).

ct

ROCO_00234

A 54-year-old woman with adenocarcinoma of the sigmoid colon, without mucinous differentiation. Bilateral adrenal metastases (asterisks) are seen on this axial noncontrast CT image, with amorphous calcification (arrow) within the right adrenal metastasis.

ct

ROCO_00238

28-year-old male with massive hemoptysis and recurrent intractable hemoptysis. Frontal chest radiograph: right-sided aortic arch, diminutive left hilum, small left lung hemithorax, and left-sided rib notching (white arrows).

ct

ROCO_00240

Isolated bronchial malinosculation - Bronchial atresia. Axial CT chest section in lung window shows a mucoid impacted bronchus (black arrow) supplying the apicoposterior segment of the left upper lobe with hyperinflation (white arrow) of the involved segment

ct

ROCO_00241

Initial computed tomography (CT) scan of the abdomen. Cross-sectional image of the mid portion of two intussusceptions (arrows) illustrates small bowel invagination of the small bowel. No evidence of bowel obstruction.

ct

ROCO_00242

Transthoracic echocardiogram showing patent ductus arteriosus with flow (blue) from the pulmonary artery to the aorta. PA: pulmonary artery, DA: ductus arteriosus, and Ao: aorta.

ct

ROCO_00243

Lateral radiograph of the right knee demonstrating 2 patellar tunnels and 1 tunnel in the femur for case 1.

xray

ROCO_00244

The radiograph at the time of frame removal showed widened pin holes and a hypertrophic partial union.

xray

ROCO_00245

Method for determining Cardiothoracic Ratio.Digital Posterior-Anterior Chest Radiograph (CXR) with maximal cardiac diameter in red and maximal thoracic diameter in green. Cardiothoracic ratio (CTR) is 0.57.

ct

ROCO_00249

Abdominal CT scan. The CT scan from this patient shows a mildly enlarged spleen measuring 14 cm in longitudinal dimension. He had multiple splenic lacerations however, and this slice shows a 3.7 cm transverse splenic laceration.

ct

ROCO_00252

Radiographic image illustrating the measurement of the first MTT shortening in relation to the second, where the value is expressed as the difference A-B.

xray

ROCO_00259

Example of the dose distribution in intra-operative planning on a representative patient. On the trans-rectal ultrasound image, the focal clinical target volume (dark brown), planning target volume (cyan), prostate (red), urethra (green), and rectum (blue) images are contoured. The dose distributions are shown in light green (100% = 145 Gy) and purple (150% = 217.5 Gy). The focal clinical target volume received a dose of approximately 150%, and the planning target volume received a dose of approximately 100%. Rectum sparing in the dose distribution is apparent

ct

ROCO_00262

Breast ultrasonography of the axillary lesion. A minimum of 20 irregular masses of dispersed sizes were observed surrounding the suspected metastatic left axillary lymph node. The smallest and greatest diameters observed were 5 and 35 mm, respectively.

ct

ROCO_00266

Twin A magnetic resonance imaging: Absence of the T1-weighted high signal corresponding to the rectum.

mri

ROCO_00267

Hallucal sesamoids. Axial view radiograph of the forefoot shows normal hallucal sesamoids (arrows) and their articulation with the first metatarsal head (asterisk)

xray

ROCO_00269

Axial view of same tooth reconstructed from 3D Accuitomo 170 6˝ FOV (arrow show vertical fracture in axial image).

ct

ROCO_00280

A 37-year-old male with a history of HL treated with chemotherapy and mediastinal radiation 5 years ago. Axial contrast-enhanced CT image reveals anterior mediastinal lymphadenopathy with peripheral calcification (arrows)

ct

ROCO_00282

An X-ray of the wrist demonstrated no significant findings such as rheumatoid arthritis, distal radius, or carpal fracture.

ct

ROCO_00284

Multislice CT. Coexisting[T1] areas of high enhancement are visible at the lower parotid pole with multiple cervical lymphadenopathies at the level III and IV cervical nodes.

ct

ROCO_00285

Follow-up brain magnetic resonance imaging - fluid attenuated inversion recovery sequencing showed resolution of bilateral occipital lesions with symmetrical putaminal high signal abnormalities (black arrows).

mri

ROCO_00287

Preoperative computed tomography scan: lipid formation without any capsular structure in the perineum.

ct

ROCO_00289

The axial CT scan shows an infiltrating tumor mass with bony destruction of lateral orbital wall and skullbase.

ct

ROCO_00290

X-ray of right foot showing metatarsal osteomyelitis. Extensive destruction of the fifth metatarsal bone is present.

ct

ROCO_00291

Contrast-enhanced axial CT brainMultiple solid enhancing cortical lesions with dense gyriform calcifications are seen in both cerebral hemispheres. CT- computed tomography

ct

ROCO_00292

Right (R) lateral recumbent radiograph of the thorax, day 1. Note the cardiomegaly and dilated, tortuous pulmonary lobar arteries

xray

ROCO_00297

T2*-GRE at the level of the caudate nucleus showing 5 punctate hypointense lesions at the grey/white matter junctions (Arrows identify two lesions).

ct