Diagnosis: Posterior elbow dislocation Lateral radiograph demonstrates a posterior elbow dislocation, with the distal humerus positioned anterior to the coronoid process and ulna dislocating posteriorly. There is cortical irregularity of…
Diagnosis: Bennett fracture-dislocation of the first metacarpal base PA radiograph of the hand demonstrates an intra-articular fracture through the thumb metacarpal base (arrow), with mild radial subluxation of the dominant…
Diagnosis: Epiploic appendagitis Axial (left image), sagittal (middle image), and coronal (right image) enhanced CT images of the abdomen and pelvis demonstrate a fat-density oval structure (yellow arrows) arising from…
Diagnosis: Fournier gangrene Contrast-enhanced axial CT demonstrates fat stranding and gas (arrow) extending to the perineum and left medial gluteal region via Colles’ fascia. Discussion Fournier gangrene has a high…
Diagnosis: Renal vein thrombosis in a transplanted kidney Ultrasound with color Doppler shows a right lower quadrant transplanted kidney, which is edematous and hypoechoic. Spectral Doppler of the lower pole…
Diagnosis: Incarcerated left obturator hernia Coronal and axial CT images with oral and IV contrast demonstrate multiple dilated loops of small bowel with tapering (yellow arrows; left and middle images)…
Diagnosis: Pseudomembranous colitis with hemorrhage into bowel lumen Axial (left image) and coronal (middle and right images) noncontrast CT images show a markedly thickened sigmoid colon (arrows), with distension of…
Diagnosis: Pulmonary embolism Axial and coronal images from a CT pulmonary angiogram including the thighs and pelvis demonstrate central filling defects in the right and left main pulmonary arteries (yellow…
Diagnosis: Gonadal (ovarian) vein thrombosis Contrast-enhanced axial (left image) and coronal (right image) CT demonstrate a non-occlusive, linear filling defect in the right gonadal vein (arrows). Discussion Overview of ovarian…
Diagnosis: Retroperitoneal hematoma Axial (left and middle images) and coronal (right image) unenhanced CT images demonstrate a large fluid collection with a hematocrit level (yellow arrow). There is hyperdense blood…
