Search Results for: langerhans\\' cells

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Verruciform Xanthoma?

…inant cells in the inflammatory infiltrate were T cells. The foam cells were of monocyte/macrophage lineage. S-100-positive (Langerhans) cells were occasionally found in the suprabasal layer of the epithelium. HLA-DR-positive keratinocytes were…

Histologic Diagnosis of Inflammatory Skin Diseases

Errors and Reasons

…y common in the 1950s when sulfa drugs were prescribed often. Error: Civatte bodies, colloid bodies, hyaline bodies, sunburn cells, satellite cells, and apoptotic cells are something other than necrotic keratocytes. Reason: Each of those terms is…

Histologic Diagnosis of Inflammatory Skin Diseases

Urticaria pigmentosa

…tases macularis eruptive perstans). The major problem in diagnosis histopathologic is inability to recognize the predominant cells as mast cells, the difficulty deriving, in part, because granules of mast cells usually are colored faintly in…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Histiocytoses?

…sis C. Generalized eruptive histiocytoma D. Nodular cutaneous reactive histiocytosis III. Lesions caused by proliferation of Langerhans cells A. Self-healing reticulohistiocytosis B. Solitary Langerhans cell histiocytoma C. Histiocytosis X 1….

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Dermal Papilla?

…face ectoderm generated a follicular germ, presumably in response to the effects on it of a cluster of primitive mesenchymal cells. Germinative cells at the base of an isthmus soon become matrical cells that mature into hair shaft, inner sheath, and…