Search Results for: infundibuloapocrine-sebaceous-follicular unit

Differential Diagnosis in Dermatopathology

Discussions

…rhinophyma, the most dramatic presentation of rosacea, bulbous enlargement of a nose results from tremendous hyperplasia of sebaceous lobules and formation of many infundibular cysts that rupture, thereby sending contents of infundibula into the…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Discoid Lupus Erythematosus versus Systemic Lupus Erythematosus? II

…nt to its termination, that is, a chronic inflammation or infiltration limited solely to the skin, and affecting chiefly the sebaceous glands and the parts immediately adjacent to them, ending in complete absorption, or in a cicatricial contraction…

Differential Diagnosis in Dermatopathology

Discussions

…annulare, in contrast with the palisaded pattern of that condition, deposits of mucin are less abundant and histiocytes per unit area of dermis are fewer. Not uncommonly, both patterns are encountered together in the same section of tissue. Those…

Histologic Diagnosis of Inflammatory Skin Diseases

Psoriasis

…was thought to be psoriasis histopathologically turns out to be dermatophytosis. Nowhere is that more true than in the nail unit. Whether pustules are seen clinically depends on the size of the collections of neutrophils in surface epidermis. If…

Histologic Diagnosis of Inflammatory Skin Diseases

Author Guidelines

…in the manuscript. Use the metric system to express units of measure and degrees Celsius to express temperatures, and use SI units rather than conventional units. Consult the latest edition the Manual of Style by the American Medical Association for…

Two adjacent individual fibroepithelioma of Pinkus of the umbilicus—one pink, one pigmented—a case report and review of the literature

Two adjacent individual fibroepithelioma of Pinkus of the umbilicus—one pink, one pigmented—a case report and review of the literature

Abstract We present a unique case of separate and independent adjacent fibroepitheliomas of Pinkus (FeP) arising from the umbilicus in an 83-year-old man. Of further interest, one is pigmented and the other nonpigmented. Clinical, dermatoscopic and…

Appearances may be deceiving

Appearances may be deceiving

The patient A 64-year-old white female presented with an asymptomatic brown-to-black nodular lesion located on her back in proximity (about 1.7 cm) to a surgical scar; indeed, the patient had developed a melanoma in situ on her back in 2010. She…

The dermoscopic variability of Degos disease at different stages of progression

The dermoscopic variability of Degos disease at different stages of progression

…rt, thin, slightly curved vessels (c). Histopathology revealed an atrophic epidermis and dermal fibrosis with absence of pilosebaceous units. [Copyright: ©2014 Pérez Anker et al.] Dermoscopic examination in both patients revealed three different…