Search Results for: folliculo-sebaceous cyst

Differential Diagnosis in Dermatopathology

Trichoepithelioma vs. Infundibulocystic basal-cell carcinoma

An inflammatory process that develops secondary to trauma, usually in the form of a penetrating injury or rupture of a follicle, and that proceeds through stages of granulation tissue with numerous extravasated erythrocytes, granulomatous inflammati…

Histologic Diagnosis of Inflammatory Skin Diseases

Keloid

…, acanthosis accompanied by hyperpigmentation, and, at times, folliculosebaceous units that have been induced from surface epidermis; at nearly all stages, histiocytes and/or fibrocytes are dispersed among thickened bundles of collagen at the periphe…

Dermatology Practical & Conceptual

Review of Practical Dermatopathology, 2nd edition by Ronald P. Rapini

…, elbow, lesions); some histological (e.g., hemosiderin, horn cyst, interstitial inflammation, acantholysis), etc. For each of these nonspecific and rather arbitrary characteristics, a list of entities/diseases is given—151 lists! The most frequent e…

Histologic Diagnosis of Inflammatory Skin Diseases

Necrobiosis lipoidica

…at, as disparate as corneocytes (from a ruptured infundibular cyst) to urate (in some lesions of gout). It is easy for beginners in dermatopathology, and sometimes even for long-time practitioners, to misinterpret degeneration of collagen in necrobio…