Diagnosis: Atypical femoral insufficiency fracture in a patient on bisphosphonate therapy Frontal radiograph of the right femur demonstrates focal cortical thickening along the lateral aspect of the proximal femoral diaphysis…
Diagnosis: Lisfranc fracture–dislocation, homolateral type Frontal and oblique radiographs of the right foot demonstrate a comminuted fracture through the base of the second proximal metatarsal (yellow arrows). There is widening…
Diagnosis: Glioblastoma multiforme Contrast-enhanced CT (A) reveals an irregular, peripherally enhancing, centrally necrotic transcallosal mass (yellow arrows). Peritumoral low attenuation within the right frontal white matter (red arrow) represents a…
Diagnosis: Sporadic Creutzfeldt–Jakob disease (sCJD) Axial FLAIR (left image) reveals mild putaminal and caudate hyperintensity (yellow arrows), and subtle hyperintensity of the left parietal cortical ribbon (red arrow). Axial DWI…
Diagnosis: Left ovarian torsion in a patient with polycystic ovarian syndrome (PCOS) Axial noncontrast abdominal CT demonstrates enlargement of both ovaries (arrows) in this patient with a history of polycystic…
Diagnosis: Spondylodiscitis and paraspinal abscess PA chest radiograph (left image) demonstrates lateral displacement of the right and left paraspinal lines (yellow arrows). Sagittal T1-weighted (middle image) and STIR (right image)…
Diagnosis: Longus colli calcific tendinitis (acute calcific prevertebral tendinitis) Sagittal (left image) and axial (middle and right images) contrast-enhanced CT images reveal a non-enhancing, hypodense prevertebral collection (yellow arrows) extending…
Diagnosis: Anterior posterior compression (APC) type 2 pelvic ring injury AP radiograph of the pelvis (left image) demonstrates a displaced fracture through the roof of the left acetabulum (yellow arrow)…
Diagnosis: Main right pulmonary artery embolus and thrombosed type B aortic dissection Unenhanced (left) and contrast-enhanced (right) axial CT of the chest shows crescentic high attenuation in the descending thoracic…
Diagnosis: Nontraumatic intraparenchymal hematoma (due to hypertension) Axial unenhanced head CT shows a large right basal ganglia hematoma (yellow arrows), with layering blood in the lateral ventricles (red arrows). There…
