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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

Apoptosis?

…l 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 re…

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

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

Errors and Reasons

…on 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 synonymou…

Histologic Diagnosis of Inflammatory Skin Diseases

Confusing Terms (to be Avoided Scrupulously)

…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 products of lymphocytes. In actuality, so-call…

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