Search Results for: bean-bag cells

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…

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…

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…

Histologic Diagnosis of Inflammatory Skin Diseases

The Algorithmic Method

…confirmed at higher magnification, of the kind or kinds of inflammatory cells (or neoplastic lymphocytes, Langerhans” cells, and mast cells that, at first blush, may appear to be inflammatory cells) that make up the infiltrate. Remarkable as…

Histologic Diagnosis of Inflammatory Skin Diseases

Eccrine Units

…consists of two types, to wit, large glycogen-containing pale or clear cells and smaller mucopolysaccharide-containing dark cells. The dark cells tend to line the luminal surface, whereas the pale cells are situated peripheral to the dark cells

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Apoptosis?

…poptotic bodies have, in the past, been given names such as Civatte bodies, colloid bodies, single-cell necrobiosis, sunburn cells, and dyskeratotic cells without their basic nature having been recognized… Weedon D, Searle J, Kerr JF….

Histologic Diagnosis of Inflammatory Skin Diseases

Blood Vessels

…lff, M.D.) All arterioles, capillaries, and venules in the dermis are encircled by flat adventitial cells termed “veil cells.” Those cells, whose exact nature is still shrouded, are situated entirely outside the wall of a vessel and…

Langerhans cell histiocytosis-a case report

Langerhans cell histiocytosis-a case report

…n (H&E, x100X). (F) A sheet of abnormal Langerhans cells (H&E, x400). (G) Cytological details of abnormal Langerhans cells. Note the coffee bean and kidney shapes of the large cleaved nucleus (H&E, x1000). [Copyright: ©2012 Jeunon et…