image imagewidth (px) 156 1.2k | image_id stringlengths 10 10 | caption stringlengths 5 2.13k | category stringclasses 6
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ROCO_05452 | Preoperative magnetic resonance image showing a small recurrent herniated nucleus pulposus at L4-5 compressing the left L5 nerve.
| mri | |
ROCO_76345 | Vascular mass with two feeding arteries (external carotid and middle cerebral artery) as shown on a magnetic resonance angiogram.
| mri | |
ROCO_30727 | Inconclusive for ependymal enhancement on magnetic resonance imaging. Axial gadolinium-enhanced T1-weighted image showing a ring enhancing lesion on the left side compressing the left lateral ventricle making it impossible to appreciate ependymal enhancement
| mri | |
ROCO_34412 | CT scan: discreet pneumoperitoneum.
| ct | |
ROCO_46057 | The findings of computed tomography (CT) at the onset of abdominal pain. Plain CT images revealed proximal jejunal wall thickening (arrows).
| ct | |
ROCO_79658 | Coronal T2-weighted fat-suppressed fast spin echo image in a 21-year-old male patient shows the normal medial posterior femoral recess or medial gastrocnemius bursa with a small amount of fluid (arrow), which should not be diagnosed as a meniscocapsular separation
| mri | |
ROCO_23013 | Post-obturation radiograph
| xray | |
ROCO_04625 | MRI study showed a 3.25 × 2.25 × 4.5 cm mass extending to the Masseter muscle and petrous bone medially, the cartilaginous part of the external auditory meatus posteriorly and the upper border of the right parotid gland inferiorly.
| mri | |
ROCO_56646 | Magnetic resonance (MR) image 3 years following tumor resection showing no evidence of recurrence
| mri | |
ROCO_68511 | X-ray of the left knee (anteroposterior view), taken at the first out-patient presentation
| xray | |
ROCO_59904 | A posterior/anterior radiograph of the right wrist with navicular view, demonstrating a nondisplaced fracture of the proximal pole of the scaphoid, taken approximately 4 weeks after injury.
| xray | |
ROCO_20335 | A 14-month-old patient. Sagittal T1-weighted MRI slice showing tapering of the dorsal medulla (arrows) in a congenital Zika syndrome patient without arthrogryposis. Also shown are pontine hypoplasia (arrowhead) and an enlarged cisterna magna (asterisk).
| mri | |
ROCO_00823 | Chest X-ray 5 h after surgery demonstrates complete opacification of the left hemothorax with shift of the mediastinum to the right.
| xray | |
ROCO_04284 | Transvaginal ultrasound, sagittal view of the cervix: 21 mm myoma in the external orifice of the cervix. The vascular end-foot ascends to the cervical canal. The arrow shows the internal opening of the cervix.
| ultrasound | |
ROCO_75382 | Determination of tumor localization with guided Kirschner wires and computed tomography.
| ct | |
ROCO_52639 | Moderately severe aortic regurgitation by transesophageal echocardiography (arrow) seen in the short-axis view of the aortic valveLA, Left atrium; RA, Right atrium
| ultrasound | |
ROCO_38491 | MRI of the calf demonstrating a region of high flow as signal voids with phase encoding artifact (arrows).
| mri | |
ROCO_64414 | Postoperative radiographs revealed satisfactory
| xray | |
ROCO_06463 | Chest computed tomography on admission. A few thinwalled bullae with air-fluid levels in both lungs and pneumomediastinum
| ct | |
ROCO_13654 | Wrist PA X-ray at 12 months suggesting non-union of scaphoid fracture
| xray | |
ROCO_30255 | Computed tomography scan image of a large mediastinal cyst in a 57-year-old man with chest discomfort. Note that the cyst appears to contain a fluid as well as a suggestion of solid material that does not enhance with contrast
| ct | |
ROCO_08148 | Plain radiograph of the skull taken at time of presentation showing a lytic lesion on the left frontoparietal bone.
| xray | |
ROCO_66356 | Lateromedial radiographic image of the right front limb of a horse showing rotation and evidence of sinking of the coffin bone.
| xray | |
ROCO_27908 | Endoscopic ultrasound showing the thickened esophageal wall (total 6.4 mm), muscularis propria layer (3.9 mm), and inner circular layer (2.5 mm).
| ultrasound | |
ROCO_70839 | Case 2: Postoperative lateral X-ray showing no evidence of ventral migration.
| xray | |
ROCO_34485 | The radiographic findings of acetabular retroversion consist of a positive ischial spine sign (A), crossover sign (B), and a posterior wall sign (C). The small acetabular size and volume represents a challenge for surgical treatment. Adapted with permission from Dr. Rafael J. Sierra and the Mayo Foundation, Rochester,... | xray | |
ROCO_17687 | Axial IV contrast-enhanced CT image shows marked right paratracheal and anterior mediastinal lymphadenopathy (arrow) with marked compression of the superior vena cava (arrowhead).
| ct | |
ROCO_70271 | shows MRI image of the lesion.
| mri | |
ROCO_56492 | Endoscopic ultrasound showed 5 cm diameter cystic lesion in pancreatic head, thick cystic wall, and multiple mural nodules in the cystic lesion (white arrow).
| ultrasound | |
ROCO_06748 | The left coronary angiogram in a left anterior oblique caudal projection after percutaneous coronary intervention with drug-eluting stent implantation (3.5 × 1.6 mm; TAXUS).
| xray | |
ROCO_35457 | Examination of pancreatic body from stomach using radial echoendoscope. The main pancreatic duct is dilated and has multiple echogenic structures. The pancreatic parenchyma shows hyperechoic foci without shadowing. Thus, this patient has one Major A and 2 Minor endoscopic ultrasound features and is suggestive of chron... | ultrasound | |
ROCO_67537 | MRSI regions of interestProton magnetic resonance spectroscopy imaging (MRSI) regions of interest of frontal white, parietal white, and basal ganglia.
| mri | |
ROCO_26151 | Postoperative computed tomography scan showing no residual tissue in parotid space
| ct | |
ROCO_80046 | Axial computed tomography with intravenous contrast. Red arrow points to left common iliac vein; X indicates right common iliac artery.
| ct | |
ROCO_69564 | Shows the impression of the upper endplate of T6 vertebral in close up sagittal T1-weighted TSE MR imaging (arrow)
| mri | |
ROCO_00999 | Occlusal radiographs with mini-implants placed
| xray | |
ROCO_57255 | The arcuate pubic ligament can be best observed in the first slide where there is a connection between the caudal portion of the pubic bones (axial plane). PB pubic bones, S symphysis, PVM pubovisceral muscle, OIM obturator internus muscle; opacified area arcuate pubic ligament
| pathology | |
ROCO_23027 | T2-weighted magnetic resonance sagittal image showing tuberculous involvement from L1 to upper sacral vertebral bodies with prevertebral, presacral, and epidural abscess with neural compression.
| mri | |
ROCO_19135 | Plain erect chest radiograph, on close inspection a ring calcification can be seen in the right upper quadrant.
| xray | |
ROCO_54842 | Bedside thoracic ultrasound examination of a 70 year old man after decompressing the chest at 16:30 and noting the return of lung sliding (†video 3)
| ultrasound | |
ROCO_17870 | Dorsal cochlear nucleus (DCN) ablation target area and electrode approach. Bilateral radio-frequency lesions 1–2 mm in diameter were targeted at the dorsal aspect of the DCN (circled), thereby interrupting its major rostral output. MRI transverse image from a rat of the same age and strain as used in the present exper... | mri | |
ROCO_77643 | Posttreatment lateral head film and cephalometric tracing.
| ecg | |
ROCO_74454 | Magnetic resonance image demonstrating cerebral vasculitis.
| mri | |
ROCO_57477 | Diffuse nodular opacity was seen on chest x-ray
| xray | |
ROCO_29231 | Follow-up radiograph of the abdomen shows tiny metallic densities in the region of the ureter and the pelvicalyceal system (arrows). Densities are also seen over the lower lumbar spine and the pelvis (arrowheads)
| xray | |
ROCO_28532 | Embryo transfer is enhanced by the use of ultrasound guidance to place the embryos at the optimal uterine location. The small hyperechoic areas distal to the catheter tip represent microbubbles of air expelled from the transfer pipette and serve to visualize embryo placement. (Image courtesy of Dr Roger Stronell.) Ref... | ultrasound | |
ROCO_10348 | Retained gallstone 5 years following laparoscopic cholecystectomy visualized with computed tomography with a 1 cm radiopaque density within perihepatic fluid collection.
| ct | |
ROCO_55239 | Chest radiograph obtained at admission shows bilateral clavicular fracture
| xray | |
ROCO_52110 | Computed tomography (CT) showing well-defined cystic lesion in the floor of the mouth
| ct | |
ROCO_45092 | Axial chest computed tomography scan at subcarinal level demonstrates a 4.5 mm ground-glass opacity nodule in left upper lobe of lung (arrow) and a 16 mm part-solid ground-glass nodule in left lower lobe of lung (arrowhead). They are proved to be a pulmonary meningioma in left upper lobe of lung and granulomatous infl... | ct | |
ROCO_79740 | B-mode and M-mode echocardiography. Left ventricle (LV), right ventricle (RV), left ventricular free wall (LVFW), and wall between the two ventricles (IVS).
| ultrasound | |
ROCO_67484 | T2-weighted sagittal magnetic resonance image showing a hyperintense extradural lesion at the eighth thoracic spinal segment
| mri | |
ROCO_50146 | Power Doppler sonography revealing a communication (arrow) between urinary bladder and diverticulum.
| ultrasound | |
ROCO_29428 | An 8-year-old girl died of peritonitis after malpositioning of a gastrostomy feeding tube into the peritoneal cavity. The postmortem computed tomography demonstrates the balloon of the MIC-KEY just outside the stomach (arrow).
| ct | |
ROCO_50734 | Hepatic arterial-phase CT scan obtained 1 month after RF ablation of a 4-cm HCC surrounded by large branches of the hepatic artery and portal vein shows a low attenuating ablated lesion (arrows) near the hepatic hilum. Although the tumor has become mostly necrotic, thin enhancing viable tumor (arrowheads) remains alon... | ct | |
ROCO_16344 | Scrotal ultrasonography. Well defined hypoechoic lesion of size 18x11mm in right epididymis (white arrow) and normal right testis (black arrow)
| ultrasound | |
ROCO_52642 | Changes of early fat necrosis (blue arrow) on the first post-operative CT scan 29/7/2013 with mass effect upon the urinary bladder.
| ct | |
ROCO_36600 | Panoramic X-ray (detail).
| xray | |
ROCO_51520 | A chest X-ray after the dialysis catheter was removed and the triple-lumen catheter was repositioned showing its tip in the right subclavian vein.
| xray | |
ROCO_30865 | Transesophageal echocardiography LAX view showing restricted posterior mitral leaflet with tethering causing pseudo-prolapse of anterior mitral leaflet
| ultrasound | |
ROCO_77550 | Chest X-ray showing bilateral pleural effusion and pulmonary venous congestion.
| xray | |
ROCO_05555 | Vegetations visualized by echocardiography. Vegetations (indicated by the red arrow) were clearly visualized by echocardiography in a rabbit in Group A3. The green arrows indicate the position of the catheter system. AO, aorta; RV, right ventricle.
| ultrasound | |
ROCO_37481 | Preoperative cervical MRI T2-weighted (axial view) showing left and posterior displacement of dens and C1 rotation to right.
| mri | |
ROCO_50527 | Cervical spine magnetic resonance imaging. Cervical cord has a normal diameter and signal without evidence for compression. Cervical vertebrae have normal height without fractures or pathological lesions. Cervical canal has a normal diameter without any congenital or acquired stenosis. The alignment of the cervical s... | mri | |
ROCO_59172 | The ‘snow-storm’effect (arrow) visualized on ultrasound during injection of the thrombin-collagen compound
| ultrasound | |
ROCO_21663 | Brain MRI after completion of 2nd line chemotherapy.
| mri | |
ROCO_64208 | Laparoscopic ultrasound image showing the impacted stone (arrow) in a thickwalled duct (Aloka Inc., Japan).
| ultrasound | |
ROCO_52475 | Transverse contrast-enhanced computed tomography section just above the level of aberrant right subclavian artery showing small communication between trachea and esophagus
| ct | |
ROCO_31185 | M-mode tracing demonstrating excellent contractility. RV: right ventricle, LV: left ventricle.
| ecg | |
ROCO_73931 | Case 1: CT scan brain plain done on 1st post op day showing partial decompression of the tumor with a residual tumor in sella supra-sellar region and bilateral cavernous sinuses
| ct | |
ROCO_56468 | Axial contrast-enhanced T1W, fat-suppressed MRI shows subtle, peripheral enhancement (arrow) in an area measuring approximately 4–7 cm2, at the level of the greater trochanter
| mri | |
ROCO_60026 | Initial abdominal ultrasound (cat). Transmural thickening (about 9 mm) of the gastric body wall with loss of normal wall layering
| ultrasound | |
ROCO_33411 | Post procedure doppler showing restored flow (horizontal arrow) within the arteriovenous fistula graft with few residual clots (vertical arrow) in the periphery
| ultrasound | |
ROCO_48243 | Radiograph of a 55 yr old woman showing the cortical beaking (arrow) of left femur in patients with Paget's disease and greater trochanter showing the lytic and sclerotic lesions.
| xray | |
ROCO_51743 | The subcutaneous lumps were noted at the previous ultrasonoguided needle biopsy site.
| pathology | |
ROCO_14321 | Computed Tomography showing extracranial aneurysm of right internal carotid artery (arrow).
| ct | |
ROCO_19603 | AP pelvis X-ray showing avascular changes of subchondral cystic lucency without evidence of femoral head collapse.
| xray | |
ROCO_04493 | Radiographic view of the autotransplanted incisor at the 3rd week.
| xray | |
ROCO_81001 | Initial panoramic radiograph.
| xray | |
ROCO_31544 | MRI examination before operation with contrast. Spinal cord compression
| mri | |
ROCO_01838 | Postero-anterior chest radiograph of the proband after permanent pacemaker implantation.It shows severe cardiomegaly with a cardiothoracic rate of 70.6%.
| xray | |
ROCO_10347 | MRI Axial T 1 image of distal forearm showing bulky 1 st extensoe compartment.
| mri | |
ROCO_63532 | Axial MRI T2 showing the thoracic duct (red arrow)
| mri | |
ROCO_14205 | Axial chest CT image after contrast injection depicts complications in the course of CF. Subcutaneous emphysema, right-sided pneumothorax coexisting with right lower lobe atelectasis and widespread consolidation regions in both lungs.
| ct | |
ROCO_34034 | Three month follow-up plain radiograph showing healed undisplaced neck of femur fractures.
| xray | |
ROCO_36031 | Pelvic MRI. Mass (red arrow) compressing intestinal lumen.
| mri | |
ROCO_58029 | Post-Whipple anatomy on magnetic resonance cholangiopancreatography. Pre-secretin MRCP image in a patient post-Whipple shows mildly dilated pancreatic duct (arrow head) and the pancreato-jejunostomy. Dashed arrow delineates the choledocho-jejunostomy.
| mri | |
ROCO_61430 | Computed tomography showing a bulky low-density mass at the hepatic hilum predominantly in the right lobe (arrowheads), involving the right portal vein (black arrow), and attached to the left hepatic artery (white arrow) and nearly intact left portal vein
| ct | |
ROCO_58100 | Axial plane of the lesion (white arrow) shown with MR angiography with time resolved imaging of contrast kinetics (TRICKS) before treatment.
| mri | |
ROCO_50477 | MRI T1 sagittal view of the left knee.
| mri | |
ROCO_55721 | Follow-up transaxial CT chest image demonstrating marked improvement in interstitial changes.
| ct | |
ROCO_40016 | Preoperative findings of T2-weighted magnetic resonance imaging (case 2). A cystic lesion, 17 cm in diameter, occupies almost half of the abdominal cavity on the slice shown. Septum-like structures are seen in the lesion.
| mri | |
ROCO_46308 | Six-month postoperative radiograph
| xray | |
ROCO_26723 | The initial computed tomography scan showing a metallic object which appears to be a migrated coil around the left insula (black arrow).
| ct | |
ROCO_03668 | Axial CT view of the ethmoid labyrinth with the left side super imposed on the right side over the midline for comparison.
| ct | |
ROCO_78875 | A slight cranial movement of the transducer and shift of the ultrasound beam to the horizontal plane presents the branching of the pulmonary trunk; in this region the vertical vein (VV) is visible as it originates from the confluence of the pulmonary veins and runs behind the trunk, between its branches. The remaining... | ultrasound | |
ROCO_12508 | Sagittal abdominal computed tomography scan with an unclear mass in the omental fat with obstruction of the small intestine (white arrow).
| ct | |
ROCO_04192 | Radiograph showing the method for measuring the trapezial space and the first metacarpal.
| xray | |
ROCO_67392 | Axial computed tomography image showing: (a) Right side height (maximal craniocaudal diameter) of maxillary sinus. (b) Left side height (maximal craniocaudal diameter) of maxillary sinus
| ct | |
ROCO_08700 | FLAIR-weighted cranial MRI showing an area of increased signal intensity in the left-sided lateral caudal pontine tegmentum.
| mri |
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