Search Results for: infundibuloapocrine-sebaceous-follicular unit

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

…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…

Differential Diagnosis in Dermatopathology

Acne vulgaris, erythematous papule vs. Rosacea, erythematous papule

A pruritic papular and vesicular inflammatory process of unknown cause that tends to affect the sides of fingers and toes, as well as palms and soles. The name “dyshidrotic” is misleading; the condition has no relation whatever to…

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…

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…

Author Guidelines

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…

Atypical dermoscopic presentation of an acral congenital melanocytic nevus in an adult: parallel ridge pattern and its histologic correlation

Atypical dermoscopic presentation of an acral congenital melanocytic nevus in an adult: parallel ridge pattern and its histologic correlation

Abstract Acral melanoma is the most frequent subtype in the Asian and Mexican mestizo populations. Dermoscopy is a noninvasive diagnostic technique that helps the differential diagnosis of pigmented skin lesions on acral volar skin. We, herein,…

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…

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…

About transitions

About transitions

Dear Readers, Mark A. Hurt, the Editor of the Book Review Section of Dermatology Practical & Conceptual has decided, after a decade of contributions, that the time has come to him to transition out of his role. Mark was recruited by Bernie…