Histologic Diagnosis of Inflammatory Skin Diseases

Necrobiosis lipoidica

…yellow. Findings histopathologic Early Superficial and deep perivascular infiltrate of lymphocytes and neutrophils, and interstitial infiltrate of neutrophils Neutrophils present in septa of the subcutaneous fat and at the periphery of fat lobules…

Histologic Diagnosis of Inflammatory Skin Diseases

Keloid

…ticular Configuration of lesions Claw-like projections at the periphery of lesions that may be round, oval, or linear Individual lesions Papules, plaques, nodules, and tumors Course Protracted; constricting over time, but usually little Differential…

Histologic Diagnosis of Inflammatory Skin Diseases

Mucha-Habermann disease

…ne another, and papules usually are not purpuric. Suppurative infundibulitis is pustular and because it affects infundibula, individual lesions are more or less equidistant from one another. Miscues clinical as clues to diagnosis histopathologic Mu…