System: Musculoskeletal / Chest Wall Exam Focus: High-Yield Imaging Review Key Imaging Pattern: Deep infrascapular mass with interwoven fat streaks and muscle-like soft tissue on CT 1-Clinical Vignette A 54-year-old man presents with swelling beneath the right scapula and a catching or snapping sensation during arm movements. 2. Board-Style Question Which diagnosis best explains the location and internal architecture of this lesion? A. Lipoma B. Desmoid-type fibromatosis C. E

On a plain radiograph (X-ray) I reviewed recently, I encountered a classic lesion straight out of a textbook: A broad-based bony outgrowth located at the proximal medial metaphysis of the tibia, demonstrating clear corticomedullary continuity with the parent bone and projecting distally (downward) away from the growth plate. When we first encounter this image, a single term immediately comes to mind: Exostosis. However, right at this juncture, one of the most intriguing debat

Clinical Profile Patient: 25-year-old female. Presentation: Slow-growing, painless, firm swelling in the left mastoid region. Radiological Findings: 1. CT: The Architecture A well-defined, lytic lesion significantly expanding the outer table of the left mastoid bone. The sclerotic margins indicate a slow-growing, benign process. 2. MRI: Tissue Identity T1W Axial T2W Axial T1: Hypointense. T2: Heterog eneously hyperintense. Contrast T1: No internal enhancement, but minimal p