Skin & Soft Tissue Cases

Case: A 70-year-old woman underwent radiological evaluation for a longstanding, slowly enlarging mass at the back of her neck. Let us begin with the plain radiograph: Figure 1. Lateral radiograph showing the mass at the back of the neck. We see a smoothly contoured mass producing an outward bulge in the posterior neck region. Its relatively radiolucent appearance suggests fat content. However, its internal structure is not entirely homogeneous; a few millimetric radiopaque fo

Keywords: Thin capsule , subcutaneous location 🔹 Clinical: Slowly growing, subcutaneous lesion Located close to the skin surface Stable for more than 2 years 🔹 CT findings (non-contrast, 2 years ago): Central cystic appearance Surrounding dirty fat planes → chronic inflammatory reaction Stability over time favors a benign process 🔹 MRI findings (current): T1: Hypointense T2: Mildly hyperintense (not as bright as pure fluid, due to keratin/debris) Capsule: Thin, well-define