Choon Guan Chua

IgG4 ‐Related Disease Presenting as Inflammatory Midline Pseudotumor of the Face and Neck

A 78-year-old Chinese woman presented with a one-year history of a progressively enlarging purpuric rash over the central face and nasal dorsum, with subsequent development of a firm midline neck mass. Histopathology revealed dense lymphoplasmacytic infiltrate with fibrosis and o...