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ROCOv2_2023_train_055271

5 MHz linear scanner. The anechoic area containing a hyperechoic fibrinous matrix extends beyond the 7 cm depth range of the linear scanner.

ROCOv2_2023_train_004944

X-ray control after 3 months.

ROCOv2_2023_train_004800

Chest CT of patient prior to treatment with mycophenolic acid showing multiple infiltrates.

ROCOv2_2023_train_039986

Gadolinium contrast-enhanced CMR scan; basal short-axis view demonstrating areas of hyperenhancement (arrows).

ROCOv2_2023_train_027422

A large fatty mass (arrow) was observed in right liver lobe in contrasted axial computed tomography. The hounsfield unit of the central point circle was -37.

ROCOv2_2023_train_016547

The imaging is done from duodenal bulb and the portal vein is identified going from 5 o’clock position to 10 o’clock position in a long axis. The CHD is identified between the probe and portal vein. The CHD is followed up by anticlockwise rotation and the remnant of gall bladder is seen in continuity with CHD. CHD: Common hepatic duct; GB: Gall bladder; PV: Portal vein.

ROCOv2_2023_train_044705

Computed tomography showed a large, well‐circumscribed mass with pleural effusions.

ROCOv2_2023_train_056131

After embolization, there is no filling of the pseudoaneurysm.

ROCOv2_2023_train_057525

Post-angioplasty angiogram of the leg shows a filling defect (arrow) in the posterior tibial artery, distal to the angioplasty site, suggestive of an embolus

ROCOv2_2023_train_027017

F18-FDG PET CT study: Maximum intensity projection image shows FDG-avid lesions in the brain (), lungs (), mediastinal-retroperitoneal lymph nodes, and skeleton (→)

ROCOv2_2023_train_020767

Coronal reconstruction of a portal-phase angio-CT showing portal aneurysm, thin wall calcifications appear in the portal trunk and the aneurysm

ROCOv2_2023_train_006687

Chest radiography revealed a mass shadow in the left lower lung field.

ROCOv2_2023_train_033575

Multiple, well-defined, bilateral calcifications in the angle-ramus region of the mandible (circle) in a 57-year-old male. Note ghost images on the right (arrow).

ROCOv2_2023_train_048008

Ventilation-perfusion lung scan reveals bilateral ventilation and complete absence of perfusion in the left lung.

ROCOv2_2023_train_034523

Pre-treatment PET-CT scan of the patient. PET images show presence of intense FDG uptake (SUVmax 26.5) in the gastric curvatures with thickening

ROCOv2_2023_train_018533

T2 MRI image of a patient with cerebral infarction eight hours after the onset.

ROCOv2_2023_train_037600

Coiling in progress.

ROCOv2_2023_train_042963

CT scan at initial presentation (day 2) showing narrowing of the trachea due to a soft tissue mass in the dorsal aspect of the lumen and flattening of the ventral aspect of the canal on the right side

ROCOv2_2023_train_032297

A coronal reconstruction of computed tomography enterogram showing elongated and dilated common bile duct with the lower end on the left side of the midline (*) and the intussusception with the intussusceptum in the proximal jejunum (**)

ROCOv2_2023_train_002212

Figure 1: Abdominal radiograph showing single gastric bubble and calcification in left iliac fossa.

ROCOv2_2023_train_030099

Post Op x-ray after corpectomy, replacement with an interbody spacer, autologous graft and a lateral plate.

ROCOv2_2023_train_024410

Venography of the left arm shows total occlusion of the left subclavian vein with multiple collateral veins together with a single lead pacemaker.

ROCOv2_2023_train_028812

Transverse CT image through the rostral sinus compartments at the level of Triadan 10 of a horse with dental sinusitis caused by a Triadan 210 apical infection. The 210 has changes in its buccal root, widened periodontal space, and alveolar bone remodeling. There is resultant empyema of the VCS, DCS, and RMS (with gas bubbles in the latter). There is also thickening of the maxillary septal bulla bone and swollen mucosa on both sides (white arrow), some expansion and wall thickening of the infraorbital canal (yellow arrow) and grossly thickened maxillary bone (red arrow). L, left; R, right.

ROCOv2_2023_train_005743

Coronary angiography demonstrating aneurysmal large right coronary with possible layered thrombus

ROCOv2_2023_train_014550

Coronal contrast enhanced CT image showing a homogenously enhancing bulky pancreas with peripancreatic haziness (arrows) with no evidence of collections consistent with noncomplicated acute interstitial pancreatitis.

ROCOv2_2023_train_014774

MRI showed no cerebral abnormality

ROCOv2_2023_train_033827

Preoperative T1-weighted magnetic resonance imaging showing different findings in the right and left lobe cysts.

ROCOv2_2023_train_024758

Chest CT before treatment (27-Sep-2001) show that conglomeration of a size of 5.5 × 4.2 cm at the left lower hilus pulmonis, large amount of accumulation of fluid in the left thoracic cavity, enlarged lymph nodes in the mediastinum.

ROCOv2_2023_train_056174

Axial Computed Tomography of a Small Pulmonary Nodule.An axial computed tomography study demonstrates a ground-glass nodular opacity in the left lower lobe (yellow circle).

ROCOv2_2023_train_031093

Dental panoramic tomographs showing DBIs (see arrows) on the mandibular right quadrants, apical to LR4 (case 14)

ROCOv2_2023_train_002214

Computed tomographic scan of the abdomen with contrast enhancement. A huge calcified cystic mass is located in the retroperitoneal space on the left side.

ROCOv2_2023_train_022659

A nasopharyngeal tube in position.

ROCOv2_2023_train_049630

Mid sagittal T2-weighted image of MRI of dorso-lumbar spine shows the post-traumatic khyphosis at the L1 level with syringomyelia

ROCOv2_2023_train_020844

CCT MPR showing the right (red arrow) and left (yellow arrow) coronary arteries originating from the right coronary ostium (asterisk)

ROCOv2_2023_train_051627

Esophagogram showing diffuse dilatation of esophagus with tapering at gastroesophageal junction. Esophagus appears filled with food particles.

ROCOv2_2023_train_017595

Maximum intensity projection of 11C-choline PET in a 79-year-old man with a PSA level of 24.8 ng/mL who underwent androgen-deprivation therapy for prostate cancer, in whom local recurrence in the prostate gland and pelvic node metastases were found (Case 1).Maximum intensity projection of 11C-choline positron emission tomography (PET) shows several abnormal 11C-choline uptake spots in the pelvis (arrows).

ROCOv2_2023_train_015112

Internal steel plate fixation (arrow) is demonstrated after surgical curettage.

ROCOv2_2023_train_040738

Computed tomography of the abdomen and pelvis: the superior mesenteric vein (SMV) is obliterated, with no visible normal SMV present. Instead, the veins of the small intestine and colon drain into collateral pathways, indicating chronic venous occlusion.

ROCOv2_2023_train_048963

Axial computed tomography showing minimal pneumoperitoneum (arrow)

ROCOv2_2023_train_044375

Coronal view of the CT scan showing intussusception at level of jejuno-jejunal anastomosis

ROCOv2_2023_train_047839

Lateral radiograph.

ROCOv2_2023_train_002804

Destructive change, bronchiectasis, and extensive pleural invasion are seen on a chest PA (Type IV).

ROCOv2_2023_train_045409

Sagittal image of pre-operative magnetic resonance imaging.

ROCOv2_2023_train_020958

Computed tomography scan of the abdomen of the patient showing a large tumor in the tail of the pancreas.

ROCOv2_2023_train_037093

Brain magnetic resonance imaging without contrast shows an abnormal bright signal in the periventricular white matter in both cerebral hemispheres, in favor of microvascular ischemic changes (black arrows). Also, acute infarction can be seen in the right insula, external capsule, putamen, and caudate nucleuses (arrow).

ROCOv2_2023_train_058357

X-ray bilateral wrist joint showing reduced joint space in left.

ROCOv2_2023_train_009129

Radiography of the left hand with evident brachydactyly of metacarpals III-V.

ROCOv2_2023_train_015748

Chest radiograph (postero-anterior view) showing an irregular, thick-walled cavity in the right upper lobe. Note also the pleural reaction in this hemithorax.

ROCOv2_2023_train_040595

CT of abdomen and pelvis shows obstructive mass in sigmoid colon.

ROCOv2_2023_train_049323

CT-scan after trauma.

ROCOv2_2023_train_010546

Chest computed tomographic scan. Abscess formation or air-containing tissue in retrosternal, pericardial, and paraesophageal areas is seen. Red lines indicate esophageal wall thickening

ROCOv2_2023_train_016100

Weight-bearing radiograph revealing talar shift and widening of the medial clear space.

ROCOv2_2023_train_013586

Initial CT imaging Coronal section of initial CT on diagnosis showing portal vein thrombosis

ROCOv2_2023_train_030563

Sagittal T2-weighted MRI scan showing an abnormally high signal of the spinal cord extending from C3 down to the lower end plate of C5.

ROCOv2_2023_train_046980

Coronary angiogram of the LAD artery. The stenotic disease of the LAD and its septal branches.LDA: left anterior descending. 

ROCOv2_2023_train_054984

Case no. 4 before revision surgery.

ROCOv2_2023_train_037257

UBM image shows the axial ACD is equal to the central corneal thickness (white arrow)

ROCOv2_2023_train_027000

Angiography demonstrating the drain tube abutting the branches of the portal vein and a thrombus in the portal vein branch

ROCOv2_2023_train_030362

Lateral radiograph of the lumbosacral spine in a 12 year old obese girl with low back pain. Bilateral pars defects (middle arrow) are present and there is Grade I spondylolisthesis (bottom arrow) of L5 on S1. There is also evidence of Schmorl's nodes (top arrow) within the lower thoracic spine. (Radiograph courtesy of BC Children's Hospital).

ROCOv2_2023_train_006668

Non-contrast head computed tomography scan demonstrates diffuse bilateral subarachnoid hemorrhage. The volume and distribution of the blood is more than seen in a benign perimesencephalic hemorrhage.

ROCOv2_2023_train_038307

CT scan of head and neck. Note tonsillar swelling.

ROCOv2_2023_train_004655

Hip radiography revealed an osteophyte (arrow) in the left femoral head.

ROCOv2_2023_train_051544

A midsagittal image documenting a partially distended urinary bladder, with dependant-free fluid in the pelvis.

ROCOv2_2023_train_028587

Thrombosed GSV and another GSV with a probe in situ.

ROCOv2_2023_train_015551

Oblique plain radiograph of the left hand demonstrating amputation through the ring finger middle phalanx.

ROCOv2_2023_train_023948

Transesophageal echocardiography in mid esophageal two chamber view (106 degree) demonstrated a linear dissection flap originated from posterior side of left atrial wall. LA: left atrium, LV: left ventricle, MV: mitral valve.

ROCOv2_2023_train_017054

CT scan coronal image showing a large recurrence in left renal bed.

ROCOv2_2023_train_020709

Abdominal CT scan showing large exophytic enhancing mass in the rectosigmoid colon with diffuse wall thickening.

ROCOv2_2023_train_037567

Plain axial CT image of the orbit showing a well-defined, heterogeneous lesion in the right orbit, extraconal in location (arrow)

ROCOv2_2023_train_039171

Magnetic resonance enterography. The arrow points to the distal small bowel thickening due to mechanical obstruction proximal to the ileocecal valve.

ROCOv2_2023_train_024817

Anteroposterior view chest X-ray.The arrowhead pointing at the gastric shadow in the thoracic cavity.

ROCOv2_2023_train_040367

Representative of lateral view of PTLR of a patient without VF.

ROCOv2_2023_train_059264

CT of the abdomen (coronal section) showing bilateral OVT as indicated by the red arrows. CT: computed tomography; OVT: ovarian vein thrombosis; AO: abdominal aorta; IVC: inferior vena cava; LRV: left renal vein

ROCOv2_2023_train_056993

Crohn's disease. Contrast-enhanced CT scan shows distal ileal loops with long segment circumferential wall thickening (short arrow) and adjacent fat stranding and skip lesions. The normal appendix is also seen (long arrow)

ROCOv2_2023_train_022725

Arteriogram following endograft placement with no contrast exiting the arterial system. Left nephroureteral stent is noted traversing the location of graft placement highlighting the region of fistula formation.

ROCOv2_2023_train_029821

Ultrasound of case 2 showing a 2.6-cm lobulating heterogeneous hypoechoic mass in the right upper outer quadrant.

ROCOv2_2023_train_011473

Cuboid view with the patient in the prone position.

ROCOv2_2023_train_006630

This figure shows the measurements in this study. The point (A) is the imaginary target of the lumbar sympathetic ganglion block. The angle (B) and (C) represent the minimal and maximal entry angle respectively. (D) and (E) represent the minimal and maximal skin entry distance from the midline respectively.

ROCOv2_2023_train_010308

A computed tomography scan revealing a large, irregular, solid mass in the gastric fundus.

ROCOv2_2023_train_023438

Method for determining CTR from chest radiography. The midline was defined as a vertical line drawn through the spinous processes. (A) The maximum distance from the midline to the right cardiac border was added to (B) the maximum distance from the midline to the left cardiac border. Transverse diameter of the cardiac silhouette = A+B. (C) The distance between the internal margins of the ribs at the level of the right hemidiaphragm. CTR = (A+B)/C. CTR, cardiothoracic ratio.

ROCOv2_2023_train_051746

The corresponding breast ultrasound of the patient in Figure 1 shows a lobular mass at left lower breast, measuring about 3.1 × 2.1 cm in diameter with heterogeneous echogenicity (arrows).

ROCOv2_2023_train_020345

Increased trabeculation in the left ventricle, particularly in the midsections and apex with a non-compacted to compacted ratio of 2.5.

ROCOv2_2023_train_009993

Computed tomography in axial plane showing the interrupted continuity of the bone structure near tooth 45.

ROCOv2_2023_train_012554

Computed tomography scan of the chest showing the large subcarinal and precarinal lymph nodes. White lines present the largest dimensions of the subcarinal lymph node observed (5.2×3.5 cm).

ROCOv2_2023_train_008291

A steel bar was inserted through the 5th intercoastal muscles.

ROCOv2_2023_train_038021

First brain CT scan showing cortical vein thrombosis (inferior anastomosis vein) (rectus arrow) with right temporal infarction in which transformation to hemorrhage occurs (curved arrow).

ROCOv2_2023_train_011263

Radiographic view at implant placement.

ROCOv2_2023_train_041146

CT scan of the liver demonstrating mass concerning for abscess and tumor.

ROCOv2_2023_train_025354

Transesophageal echocardiographic, midesophageal two-chamber view after mitral valve replacement during cardiopulmonary bypass. A newly formed thrombus was observed in the left atrial appendage (LAA).

ROCOv2_2023_train_003186

Enhanced CT scan (coronal reconstruction) showed a giant mass in the stomach and three low-density regions in different liver segments (arrow) with evident heterogeneous enhancement. CT, computed tomography; GIST, gastrointestinal stromal tumor.

ROCOv2_2023_train_046867

Panoramic radiograph taken after marsupialization of the cyst showing no movement of the canine.

ROCOv2_2023_train_044318

Computed tomography angiogram of abdomen and pelvis. 1 Intra-abdominal pregnancy. 2 Hematoma in cul-de-sac. 3 Uterus

ROCOv2_2023_train_015734

At follow up there is neotendon infilling in place of the tear defect.The lateral tear margin has retracted with mild interval attrition of the supraspinatus tendon. At the time of this follow up study the patient had a dramatic return to a completely pain free state and had full range of movement with no dysfunction.

ROCOv2_2023_train_047084

MRI of the corpus callosum. The red line represents the measurement of its length. 1, rostrum; 2, knee; 3, body; 4, splenium.

ROCOv2_2023_train_034390

Fracture/avulsion of olecranon apophysis (Mayo III) in a female patient (14 years old).

ROCOv2_2023_train_008095

Computed tomography (CT) of the chest showing the enlarged ascending aorta measuring 4.6 × 4.3 cm. AAo, ascending aorta; PA, pulmonary artery.

ROCOv2_2023_train_035268

Sensing vectors of the subcutaneous implantable cardioverter defibrillator(A) Distal electrode ring; (B) proximal electrode ring; (C) can. Primary vector from proximal electrode ring to can (red arrow), secondary vector from distal electrode ring to can (blue arrow) and alternate vector from distal electrode ring to proximal electrode ring (yellow arrow) are shown. Abbreviations: ECG, electrocardiogram.

ROCOv2_2023_train_041203

Distal stump of the peroneus brevis tendon (MRI sagittal view).

ROCOv2_2023_train_012149

Four-chamber view on 2D echocardiography during diastole showing a complete atrioventricular (AV) septal defect Rastelli type A. There is a common AV valve, which makes it difficult to use the valves to identify the ventricles. Note that the moderator band is seen on the ventricle of the right (morphologic RV). The morphologic right atrium (mRA) drains into the left ventricle, while the morphologic left atrium (mLA) drains into the right ventricle, suggestive of atrioventricular discordance. The RV (systemic chamber) is more hypertrophied than the LV.

ROCOv2_2023_train_039535

Coronal view of the whole lung field. Chest computed tomography (CT) done post intubation shows ground-glass opacities, blebs confined to the right upper lung apex, and diffuse ground-glass attenuation, blebs in the marginal areas, airspace consolidation, and fibrosis in the bilateral upper and lower lung fields.