Diagnosis: Necrotizing fasciitis Unenhanced axial CT of the pelvis demonstrates marked subcutaneous and deep fascial emphysema within the left thigh (yellow arrows) and in the left common femoral vein (red…
Diagnosis: Appendicitis Axial (left image) and coronal (right image) contrast-enhanced CT images show a dilated appendix with mild associated fat-stranding (arrows). Discussion Overview of appendicitis Although appendicitis is one of…
Diagnosis: Cecal volvulus CT scout image (left image) shows a dilated, gas-filled viscus with haustral folds in the midline (yellow arrows). Coronal (middle image) and axial (right image) contrast-enhanced CT…
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: Right sternoclavicular joint dislocation Chest radiograph demonstrates subtle asymmetry in the position of the medial clavicles in this intubated patient. Axial contrast-enhanced CT through the upper chest reveals right…
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)…
