Search Results for: hyaline

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Hyalin?

“With the high power the hyaline is seen in very varied forms, which all show the same fuchsin red reaction. The first forms a section by itself; it comprises hyaline balls of different size, which lie free between the epithelial cells, and w…

Histologic Diagnosis of Inflammatory Skin Diseases

Confusing Terms (to be Avoided Scrupulously)

…occur histopathologically, is Civatte bodies (colloid bodies, hyaline bodies) in lichen planus, the keratocytes there having been “murdered” by the effects of products of lymphocytes. In actuality, so-called apoptotic cells in that circum…

Histologic Diagnosis of Inflammatory Skin Diseases

Errors and Reasons

…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 synonymous with keratocytes that have unde…

Dermatology Practical & Conceptual

Malignant cylindroma in a patient with Brooke-Spiegler syndrome

…-like aggregates, which had almost lost their jigsaw pattern. Hyaline sheaths were lost around some aggregates (Figure 3). The cells of the tumor were mostly enlarged with striking nuclear pleomorphism. There was individual cell necrosis, but no necr…

Dermatology Practical & Conceptual

Waldenström macroglobulinaemia presenting as tingling ulcers on the feet

…m a knee papule showed homogeneous extravascular eosinophilic hyaline deposits throughout the papillary and reticular dermis (H&E 40x). (D) IgM stain demonstrates the extravascular IgM deposits in the dermis (40x). [Copyright: ©2013 Fischer et al…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Necrobiosis?

…l basophilic neutrophil necrosis, leucocytoclasia surrounding hyaline necrobiotic collagen foci, and peripheral histiocyte/macrophage granuloma.” Winkelmann RK, Connolly SM, Quimby SR, et al. Cutaneous Churg-Strauss syndrome: granuloma annulare…

Dermatology Practical & Conceptual

Nodules on the right ear

…The histiocyte’s cytoplasm contained rounded yeast-like hyaline cells with a thick double birefringent membrane. These cells were forming chains of multiple organisms. The Grocott-Gomori methenamine-silver nitrate stain allowed better visualiza…