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train/ROCOv2_2023_train_000001.jpg | Head CT demonstrating left parotiditis. |
train/ROCOv2_2023_train_000002.jpg | Acquired renal cysts in end-stage renal failure: 16-year-old girl with Alport syndrome and peritoneal dialysis from the age of 2 years |
train/ROCOv2_2023_train_000003.jpg | Computed tomography of the chest showing the right breast nodule with irregular margins |
train/ROCOv2_2023_train_000004.jpg | Lateral view of the sacrum showing the low contrast between bone and soft tissue. |
train/ROCOv2_2023_train_000005.jpg | Thoracic CT scan showing perihilar pulmonary lymphadenomegaly |
train/ROCOv2_2023_train_000006.jpg | 5.1 cm x 3.4 cm x 4 cm multiloculated hepatic abscess in the inferior posterior aspect of the right lobe |
train/ROCOv2_2023_train_000007.jpg | Repeat CT abdomen and pelvis showing resolution of collection with no new abscess |
train/ROCOv2_2023_train_000008.jpg | Computed tomography of the head on Day 0 shows mild to moderate hydrocephalus with the presence of a right posterior parietal VP shunt tube that traverses the right lateral ventricle. |
train/ROCOv2_2023_train_000009.jpg | Computed tomography of the head on Day 22 shows dilated left lateral ventricle with parenchymal hemorrhage in the right frontal lobe (black arrows) and intraventricular hemorrhage (white arrow) despite ventriculostomy tubes. |
train/ROCOv2_2023_train_000010.jpg | Preop CT showing left orbital floor fracture |
train/ROCOv2_2023_train_000011.jpg | Postop 22-month CT scan (sagittal): Posteriorly the graft seated in a sound bone |
train/ROCOv2_2023_train_000012.jpg | Enhanced magnetic resonance imaging of head revealed bilateral cerebral and cerebellar hemispheres abnormal meningeal enhancement. |
train/ROCOv2_2023_train_000013.jpg | Enhanced magnetic resonance imaging of spinal cord delineated multiple enhancement nodules in spinal cord, cauda equina, and cristae membrane (arrow). |
train/ROCOv2_2023_train_000014.jpg | Sagittal T2-SPAIR image illustrating the "fluid sign (arrow)" in the acute osteoporotic compression fracture. |
train/ROCOv2_2023_train_000015.jpg | CT demonstrating partially obstructed airway.CT: computed tomography. |
train/ROCOv2_2023_train_000016.jpg | CT demonstrating the minimum diameter of the patient's airway.CT: computed tomography.This CT image demonstrates the minimum luminal airway dimension found which was 8 mm x 3 mm. |
train/ROCOv2_2023_train_000017.jpg | Strawberry skull. |
train/ROCOv2_2023_train_000018.jpg | Hypotelorism. |
train/ROCOv2_2023_train_000019.jpg | Low set ears. |
train/ROCOv2_2023_train_000020.jpg | Atrial septal defect. |
train/ROCOv2_2023_train_000021.jpg | Single umbilical artery seen on axial section. |
train/ROCOv2_2023_train_000022.jpg | Abdominopelvic ultrasound scan showed ectopic kidneys at the hemi-pelvis, fused in their upper poles, normal size and texture of the kidneys with normal corticomedullary differentiation, no stones or obstructive changes |
train/ROCOv2_2023_train_000023.jpg | Computed tomography urography. The right kidney is ectopically placed in the pelvis, measures 9.6 cm bipolar length, and is medially and inferiorly faced. The left kidney is also ectopically placed in the pelvis, measures 9.3 cm in bipolar length, is mal-rotated as the pelvis faces upward and laterally, both kidneys are partially fused at their upper poles |
train/ROCOv2_2023_train_000024.jpg | Left coronary angiography showing the presence of two coronary arteriovenous fistulas (CAFs), originating from the left anterior descending (LAD) and circumflex (Cx) coronary arteries draining into the pulmonary artery |
train/ROCOv2_2023_train_000025.jpg | Right coronary angiography showing the presence of the right coronary sinus of Valsalva (RCSV) with a coronary arteriovenous fistula (CAFs) draining into the pulmonary artery |
train/ROCOv2_2023_train_000026.jpg | Previous CT scan of abdomen showing two pseudocysts in the pancreatic tail (white arrows). |
train/ROCOv2_2023_train_000027.jpg | New CTA of abdomen showing huge variegated hematoma (yellow arrows) suggesting recent hemorrhage.CTA, CT with angiography |
train/ROCOv2_2023_train_000028.jpg | Chest CT scan revealed fibrosis within the irregular strip located in dorsal anasal segment of lower lobes. |
train/ROCOv2_2023_train_000029.jpg | Coronal view of the intra-nasal foreign body. |
train/ROCOv2_2023_train_000030.jpg | Sagittal view of the calcified nasal packing. |
train/ROCOv2_2023_train_000031.jpg | Transverse view of the calcified foreign body. Extensive sinusitis of the right and left maxillary sinuses is evident. |
train/ROCOv2_2023_train_000032.jpg | Chest radiograph showing reticular opacities prominent in bilateral mid and lower zones. |
train/ROCOv2_2023_train_000033.jpg | CT chest showing ground-glass opacities with bilateral minimal pleural effusion. |
train/ROCOv2_2023_train_000034.jpg | Follow up chest radiograph after 4 weeks showing radiological resolution. |
train/ROCOv2_2023_train_000035.jpg | Coronary angiogram illustrating spasm in the LAD. |
train/ROCOv2_2023_train_000036.jpg | After administration of IV nitrates and resolution of the narrowing in the LAD. |
train/ROCOv2_2023_train_000037.jpg | Ventricular fibrillation. |
train/ROCOv2_2023_train_000038.jpg | Abdominal CT. Abdominal CT shows a mass communicated with the small intestinal lumen (white arrow), and the outer and inner margins of the mass are irregular. A lymph node involvement is observed in the adjacent mesentery (red arrow) |
train/ROCOv2_2023_train_000039.jpg | Abdominal CT. After enhancement, abdominal CT shows a small low-density lesion in the seventh segment of the liver (black arrow) |
train/ROCOv2_2023_train_000040.jpg | Chest CT. Chest CT shows an irregular contours mass in anterior mediastinum with mild heterogenetic enhancement (white arrow) |
train/ROCOv2_2023_train_000041.jpg | Chest X-ray showing bilateral clavicular hypoplasia. |
train/ROCOv2_2023_train_000042.jpg | A slide from CT abdomen that shows that the patient is very thin with large ascites and very large liver. |
train/ROCOv2_2023_train_000043.jpg | Sigmoid colon cancer invading to the retroperitoneum at the time of initial diagnosis. |
train/ROCOv2_2023_train_000044.jpg | Retroperitoneal abscess adjacent to the sigmoid colon tumor. |
train/ROCOv2_2023_train_000045.jpg | Abnormal air accumulation in the subcutaneous space of the left thigh. |
train/ROCOv2_2023_train_000046.jpg | CT of the abdomen showing hepatomegaly |
train/ROCOv2_2023_train_000047.jpg | Abdominal ultrasound showing hepatic parenchymal disease |
train/ROCOv2_2023_train_000048.jpg | Carpentier type 3B: restrictive leaflet motion—systole (closure): ischaemic mitral regurgitation. |
train/ROCOv2_2023_train_000049.jpg | FB (cutlery handle) in the DII |
train/ROCOv2_2023_train_000050.jpg | Brain MRI Flaire image showing hyperintensities in basal ganglias |
train/ROCOv2_2023_train_000051.jpg | Abdominal computed tomography shows an enterolith (white arrow) measuring 3 cm in the proximal afferent loop. |
train/ROCOv2_2023_train_000052.jpg | Cervical Spine MRISagittal MRI of the cervical spine demonstrated nodular contrast enhancement of the lesion at the cervicomedullary junction. |
train/ROCOv2_2023_train_000053.jpg | Cervical Spine MRI showing rapid enlargement. Sagittal MRI of the cervical spine demonstrated substantial and rapid enlargement of the contrast enhancing lesion at the cervicomedullary junction. |
train/ROCOv2_2023_train_000054.jpg | A 5.5 cm AAA in close relation with a 17 cm left renal cyst (one out of many). |
train/ROCOv2_2023_train_000055.jpg | Left ureteral catheter in close proximity to the aortic bifurcation. |
train/ROCOv2_2023_train_000056.jpg | Radiological image (axial cuts)Axial cut, soft tissue window contrast computed tomography of the neck showing a heterogeneously enhancing lesion of both sides of the supraglottis extending to the right pyriform sinus (lower arrow) invading the thyroid cartilage (upper arrow). |
train/ROCOv2_2023_train_000057.jpg | Chest radiograph (postero-anterior view) with calcification in the right heart border (arrows). |
train/ROCOv2_2023_train_000058.jpg | Chest computed tomography (axial view) with cystic lesion in the pericardium (arrows). |
train/ROCOv2_2023_train_000059.jpg | Transthoracic 4 chamber echocardiogram poorly defined pericardial mass overlying right atrial border (arrow) [18] |
train/ROCOv2_2023_train_000060.jpg | Time-of-flight MRA Obtained One Month After Initial ImagingTime-of-flight MR angiogram (MRA) one month after the patient was initially noted to be unresponsive showed absence of flow-related signal in the circle of Willis and branch arteries bilaterally. Red arrowheads indicate the distal internal carotid arteries with a lack of intracranial arterial flow. |
train/ROCOv2_2023_train_000061.jpg | Transoesophageal echocardiography showing mid esophageal 20° view. Left atrium tumor. RA right atrium, LA left atrium |
train/ROCOv2_2023_train_000062.jpg | Computed tomography; Transverse section: 6 cm defect involving the right atrium and the right inferior pulmonary vein, which appears markedly enlarged |
train/ROCOv2_2023_train_000063.jpg | MRI of the patient showed a soft/hard tissue mass (37 mm × 30 mm × 42 mm) in the anterior/posterior compartment of the left lower leg. |
train/ROCOv2_2023_train_000064.jpg | Sonographic craniocaudal measurement of a pancreatic allograft |
train/ROCOv2_2023_train_000065.jpg | Postoperative radiograph taken after PROSTALAC (prosthesis of antibiotic-loaded acrylic cement) insertion and drainage of the iliopsoas bursa. |
train/ROCOv2_2023_train_000066.jpg | Oblique coronal slices |
train/ROCOv2_2023_train_000067.jpg | PA chest X-ray revealed a well-demarcated 6 cm peripheral opacity in the left lower lobe nearly by the diaphragm. |
train/ROCOv2_2023_train_000068.jpg | Bone scintigraphy. Increased uptake in bilateral distal tibia, calcaneum, and midfoot bones corresponding to prior MRI findings, are in keeping with infective/inflammatory changes. No suspicious focus of increased radiotracer uptake is seen in the rest of the skeletal system to suggest disease involvement. |
train/ROCOv2_2023_train_000069.jpg | CT imaging of the abdomen revealed a small air collection within the wall of the ileum (red arrow); however, the finding was not clear. |
train/ROCOv2_2023_train_000070.jpg | The small air collection within the wall of the ileum was more clearly defined as a smooth‐layered air collection (red arrow) using the lung window setting. |
train/ROCOv2_2023_train_000071.jpg | OPG showing cystic lesion. |
train/ROCOv2_2023_train_000072.jpg | CT scan showing lesion in right hemimandible. |
train/ROCOv2_2023_train_000073.jpg | An asymptomatic patient who had underwent two level fusion at C3-C4, and C4-C5. A sagittal section magnetic resonance imaging scan showed minimal indentation at C2-C3, and C6-C7 levels, suggestive of radiological adjacent segment pathology. |
train/ROCOv2_2023_train_000074.jpg | Sagittal section magnetic resonance imaging scan showing indentation at C3-C4 level, suggestive of adjacent segment pathology, in a case featuring three level fusions at C4-C7 and only axial neck pain. |
train/ROCOv2_2023_train_000075.jpg | X-ray hip. Crescent sign. Arrows showing the hypointense crescent.(Courtesy |
train/ROCOv2_2023_train_000076.jpg | MRI left hip T1T1 MRI image encircled, showing osteonecrosis in the femoral headband-like lesion.MRI: Magnetic resonance imaging |
train/ROCOv2_2023_train_000077.jpg | Post-op grafting X-ray. X-ray showing bone grafting after decompression with the help of k-wires (Kirschner wires). |
train/ROCOv2_2023_train_000078.jpg | X-ray left hip with Tantalum rod. Tantalum rod in vivo highlighted by an arrow. |
train/ROCOv2_2023_train_000079.jpg | Three-dimensional ultrasound carotid artery longitudinal view in clinical trials [40]. Both baseline and follow-up 3D images, constructed from the set of 2D frames, were examined simultaneously to visually match the bifurcation (BF) points in both images by an operator blinded to time point and treatment. Each 3D US image was manually segmented starting from the bifurcation point extending into around 10–15 mm of common carotid artery (CCA) and about 10 mm into internal carotid artery (ICA) at 1 mm interval perpendicular to the artery axis; refer to Figure 3. This study was only carried out on the CCA, since the focus was on stroke risk. |
train/ROCOv2_2023_train_000080.jpg | “Prone Breast CT Slice.” Slice of prone breast treatment plan, demonstrating an intended reduction in absorbed dose near the breast board/skin interface. |
train/ROCOv2_2023_train_000081.jpg | Ultrasonogram of thyroid showing calcifications with hypoechoic lesion (label). |
train/ROCOv2_2023_train_000082.jpg | Ductus arteriosus in TOF-PA arising proximally from the underside of the aortic arch inserting onto the proximal part of the LPA. Significant stenosis of the LPA is present. The tip of a JR catheter passed transvenously into the aorta via the VSD is engaged in the ampulla for adequate visualization |
train/ROCOv2_2023_train_000083.jpg | Fluoroscopic barium study demonstrating oral contrast agent progression through the small bowel at 5 min after ingestion. |
train/ROCOv2_2023_train_000084.jpg | Fluoroscopic barium study demonstrating oral contrast agent progression through the small bowel at 30 min after ingestion. |
train/ROCOv2_2023_train_000085.jpg | Fluoroscopic barium study demonstrating oral contrast agent progression through the small bowel at 1 h after ingestion. The stomach is distended, with dilated bowel loops throughout the abdomen. |
train/ROCOv2_2023_train_000086.jpg | Fluoroscopic barium study demonstrating oral contrast agent progression through the small bowel at 5 h after ingestion. Dilated bowel loops can be visualized throughout the abdomen, and transit time is delayed. Impression—high-grade distal small bowel obstruction. |
train/ROCOv2_2023_train_000087.jpg | Abdominal X-ray showing scattered air-fluid levels in minimally prominent small bowel loops (case 1). |
train/ROCOv2_2023_train_000088.jpg | Dilated multiple loops of proximal small bowel with collapsed distal loops of small bowel consistent with small bowel obstruction (case 1). |
train/ROCOv2_2023_train_000089.jpg | Chest X-ray showing the massive cardiomegaly. |
train/ROCOv2_2023_train_000090.jpg | FDG-PET showed accumulation, with a maximum standardized uptake value of 2.9 for the lesion, and the possibility of malignancy could not be excluded |
train/ROCOv2_2023_train_000091.jpg | Chest X-ray showing no evidence of acute lung pathology. |
train/ROCOv2_2023_train_000092.jpg | Grey-scale sonographic image of the same invasive lobular carcinoma shown in Fig. 1. Note the typical sonographic presentation with irregular margins, posterior acoustic shadowing, and disruption of normal fascial planes. Calipers are placed on the image to delineate margins of the mass |
train/ROCOv2_2023_train_000093.jpg | Chest radiography, posterior view showing pneumothorax at right. |
train/ROCOv2_2023_train_000094.jpg | Computed tomography. Post-operative 2 years computed tomography at portal phase showing multicentric recurrence of hepatocellular carcinoma in the liver. |
train/ROCOv2_2023_train_000095.jpg | Normal upper gastrointestinal barium study post bariatric gastric bypass. Showing surgical drain (short arrow), gastric pouch (long arrow), jejunum distal to gastro-jejunostomy (hashed arrow). Note the normal jejunal fold pattern. |
train/ROCOv2_2023_train_000096.jpg | Normal upper abdominal CT scan with intravenous contrast medium. Gastric pouch (long arrow), staple line crossing the gastric body and defunctioning the distal stomach (short arrow). Note the undistended gastric remnant and normal calibre small bowel. |
train/ROCOv2_2023_train_000097.jpg | Upper abdominal CT scan with IV contrast enhancement 10 days post bypass procedure, showing a large irregular abscess containing gas and semi-solid material in the upper abdomen (short arrows). Note the upper margin of the gastric staple line (long arrow). The collection was drained percutaneously but a further laparotomy was required to repair a leak at the gastro-jejunostomy site. |
train/ROCOv2_2023_train_000098.jpg | Upper gastrointestinal contrast study performed several weeks after bypass surgery. The gastric staple line has broken down and contrast enters the defunctioned stomach (arrows). Note the gas filled fundus/gastric pouch (asterix). |
train/ROCOv2_2023_train_000099.jpg | Upper abdominal CT examination in a patient approximately three months after bariatric gastric bypass, performed for upper abdominal pain. There are abnormal liver appearances with multiple small well defined areas of low attenuation (long arrows) together with a larger more confluent area with a typical ‘geographical’ appearance peripherally in the right lobe (short arrows). These changes were due to patchy fatty infiltration. |
train/ROCOv2_2023_train_000100.jpg | Upper GI contrast study after gastric banding showing rapid transit past the band (arrows) indicating that it is too loose. |