Search Results for: infundibulo-sebaceous-apocrine unit

Histologic Diagnosis of Inflammatory Skin Diseases

Apocrine Units

…cretion. The duct of a mammary gland, named the lactiferous duct, looks just like any other apocrine duct. Uncommonly, a few apocrine units may be found ectopically on the face and scalp. Apocrine glands are small and nonfunctional until puberty, at…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Eccrine, Apocrine, and Apoeccrine Sweat Glands?

…y apoeccrine sweat gland in vitro. Am J Physiol 1987;252:R181-R187. “The apocrine sweat glands belong to the hair—sebaceous gland unit.” Braun-Falco O, Plewig G, Wolff HH, et al. Diseases of the apocrine sweat glands. In:…

Extraocular sebaceous carcinoma: a series of three cases with varied presentation

Extraocular sebaceous carcinoma: a series of three cases with varied presentation

…seudo-neuroendocrine, etc [3,4]. This diversity may be explained by the common embryologic origin of the folliculo-sebaceousapocrine unit being recapitulated in their neoplasms, as well. These tumours are known to be great mimics of different types…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Apocrine Miliaria?

…1; i.e., eccrine miliaria, designates an aberration in sweating. That term should not be applied to a condition that affects apocrine units because apocrine glands are not sweat glands; the only true sweat gland in man is eccrine. Apocrine glands in…

Differential Diagnosis in Dermatopathology

Sebaceous hyperplasia vs. Nevus sebaceus of Jadassohn

A malignant neoplasm made up of abnormal germinative cells analogous to those that compose the folliculosebaceousapocrine germ in an embryo and that usually manifests clinically as a papule or nodule which may become ulcerated. On the basis of…

Primary adenomyoepithelioma of the skin–a variant of apocrine mixed tumor?

Primary adenomyoepithelioma of the skin–a variant of apocrine mixed tumor?

…epithelioma and mixed apocrine tumor lie in the spectrum of neoplasms with pure myoepithelial differentiation at one end and apocrinesebaceous-follicular differentiation at the other. The most important question for the patient is the biologic…

Differential Diagnosis in Dermatopathology

Apocrine mixed tumor vs. Eccrine mixed tumor

A malignant neoplasm made up of abnormal germinative cells analogous to those that compose the folliculosebaceousapocrine germ in an embryo and that usually manifests clinically as a papule or nodule which may become ulcerated. On the basis of…

Differential Diagnosis in Dermatopathology

Apocrine (clear-cell) hidradenoma vs. Eccrine (poroid) hidradenoma

A malignant neoplasm made up of abnormal germinative cells analogous to those that compose the folliculosebaceousapocrine germ in an embryo and that usually manifests clinically as a papule or nodule which may become ulcerated. On the basis of…

Linear sebaceous hyperplasia on the chest

Linear sebaceous hyperplasia on the chest

…e conversion. Note the multi-lobulated clods with central openings. (D) Hematoxylin and eosin staining of biopsied lesion of sebaceous gland hyperplasia: Note the multiple, mature sebaceous lobules attached to the central dilated duct in the upper…