Diagnosis: Strangulated internal hernia through a Petersen defect in a patient with a history of Roux-en-Y gastric bypass Coronal (left images) and axial (right images) CT images with oral and…
Diagnosis: Segond fracture with complete tears of the anterior cruciate and medial collateral ligaments Frontal knee radiograph (A) demonstrates an avulsion fracture of the lateral tibial rim (Segond fracture; yellow…
Diagnosis: Supination external rotation (SER) stage 4 ankle fracture Frontal and lateral radiographs of the left ankle demonstrate displaced fractures of the medial (yellow arrow), lateral (red arrow), and posterior…
Diagnosis: Diaphragmatic hernia Axial enhanced CT images (left and middle) demonstrate mixed solid and fat attenuation (yellow arrows) within the left thoracic cavity, associated with a small pleural effusion and…
Diagnosis: Cocaine-induced vasoconstriction syndrome Axial T2 (A) and DWI (B) MR images demonstrate T2 prolongation and reduced diffusion, consistent with acute bilateral cerebellar gray matter infarcts (yellow arrows). Axial T2-weighted…
Diagnosis: Anterior shoulder dislocation AP radiograph of the shoulder (left image) demonstrates an anterior subcoracoid shoulder dislocation with the humeral head (yellow arrow) inferiorly displaced relative to the glenoid. Scapular-Y…
Diagnosis: Submandibular duct sialolithiasis with sialadenitis Noncontrast axial CT in soft tissue (left image) and bone windows (middle image) demonstrates a 2.1 cm radiopaque Wharton’s duct calculus (yellow arrows) in…
Diagnosis: Volar shear fracture of the distal radius (Volar Barton fracture) Frontal and lateral radiographs of the wrist show a comminuted fracture of the distal radius with intra-articular extension to…
Diagnosis: Extraperitoneal bladder rupture Axial (left image), coronal (middle image), and sagittal (right image) CT cystogram (with some enteric contrast from a previous examination) demonstrates contrast extravasation from the distended…
Diagnosis: Traumatic laceration of the right mainstem bronchus with pneumothorax and “fallen” lung A portable chest radiograph shows extensive subcutaneous emphysema, the “visceral pleural line” sign of a right pneumothorax…
