1 2 3 8
A Clinical Atlas of 101 Common Skin Diseases

Molluscum Contagiosum

A hyperplasia of infundibular epithelium consequent to the effects of infection by a pox virus and manifesting itself clinically as one or more skin-colored, smooth-surfaced, dome-shaped papules, each with a central umbilication filled with horny ma…

A Clinical Atlas of 101 Common Skin Diseases

Folliculitis (Infundibulitis) and Pseudofolliculitis (Pseudoinfundibulitis)

Infundibulitis, usually a suppurative inflammatory process that involves infundibula, is either noninfectious, as in the case of pustules of acne vulgaris, or infectious, as in the case of pustules caused by Staphylococcus aureus. In contrast, pseud…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Hyalin?

…plaques of mycosis fungoides on the other. Synonyms for hyalin bodies are colloid bodies, Civatte bodies, and apoptotic bodies. Irrespective of the designation applied to them, the units in question are necrotic keratocytes. Curiously the term, hyali…

Histologic Diagnosis of Inflammatory Skin Diseases

Cells That Mediate Inflammation (Inflammatory Cells)

…arious sizes. Those accumulations of immunoglobulin are called Russell bodies, plasma cells that house them being said to be “constipated.” Even at scanning magnification, an infiltrate of plasma cells can be recognized for what it is bec…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Apoptosis?

…ith nonviable keratocytes referred to in times past as Civatte bodies, colloid bodies, and hyaline bodies (pathologic cell death). Those bodies, on the basis of findings observed in sections stained conventionally by hematoxylin and eosin, can be ide…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…38.17B: Finely vacuolated cytoplasm of histiocytes and foreign bodies with geometric shapes = Silicone granuloma The foreign bodies with geometric outlines represent particles of polyurethane in a breast implant, those particles having been responsib…

Histologic Diagnosis of Inflammatory Skin Diseases

Sarcoidosis

…sometimes present in the granulomas Inclusions, i.e., asteroid bodies (eosinophilic star-shaped bodies) or Schaumann bodies (basophilic laminated concentric whorls) sometimes observed in some histiocytes, neither of those findings being specific for…

Histologic Diagnosis of Inflammatory Skin Diseases

Algorithms Predicated on “Nonspecific” Findings

…nyms have been given to them, among those being “Civatte bodies,” “colloid bodies,” “hyaline bodies,” “apoptotic bodies,” “sunburn cells,” and “satellite cells.” Click image to e…

Histologic Diagnosis of Inflammatory Skin Diseases

Foreign body reaction

…rosis Granulomatous inflammation as residuum sometimes Foreign bodies detectable sometimes in zones of fibroplasia Attributes histopathologic of foreign bodies common in skin and subcutaneous fat Rupture of an infundibular cyst is recognized by th…

1 2 3 8