Search Results for: colloid

Differential Diagnosis in Dermatopathology

Discussions

…us material. In fact, it is likely that fibrocytes are responsible for the formation of amyloid in lichen amyloidosis and of colloid in colloid milium. Because of the highly characteristic attributes histopathologic conditions, just listed,…

Differential Diagnosis in Dermatopathology

Differential Diagnosis

…round subepidermal deposits of amyloid 4. No pincers formed by rete ridges 5. Amyloid situated in widened dermal papillae 5. Colloid positioned in the upper half of the reticular dermis 6. Amyloid deposited as small globules 6. Colloid deposited as…

Histologic Diagnosis of Inflammatory Skin Diseases

Errors and Reasons

…s necrobiosis lipoidica and necrobiotic xanthogranuloma, both of which affect profoundly collagen and blood vessels). Error: Colloid is a distinct and distinctive substance. Reason: Colloid is nothing other than elastotic material that appears by…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Apoptosis?

…microscopy. “In some of these situations, apoptotic 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…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Hyalin?

…Fukasama Y, Ishikura H. Massive apoptosis in infantile myofibromatosis. Am J Pathol 1994; 144:480-85. “Amyloid-hyaline-colloid deposition. Disorder: Amyloidoses Familial amyloidotic neuropathy ß2-Microglobulin amyloid Colloid milium Hyalinosis…

Histologic Diagnosis of Inflammatory Skin Diseases

Confusing Terms (to be Avoided Scrupulously)

…orrhexis, evidence of necrosis. An example of apoptosis, as it is purported to occur histopathologically, is Civatte bodies (colloid bodies, hyaline bodies) in lichen planus, the keratocytes there having been “murdered” by the effects of…

Histologic Diagnosis of Inflammatory Skin Diseases

Applicable Terms

…., those of metastatic carcinoma. When it is largely noncellular, an infiltrate may consist, for example, of mucin, amyloid, colloid, or urate. Noncellular infiltrates are referred to as deposits. An infiltrate made up of a single type of cell is…