Search Results for: infundibulo-sebaceous-apocrine unit

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

Mammary Paget’s disease is an apocrine carcinoma that begins in mammary glands and extends along lactiferous ducts to the epidermis where it is seen clinically as a scaly, crusted, or eroded plaque on the nipple or areola of women mostly, and…

Differential Diagnosis in Dermatopathology

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

Mammary Paget’s disease is an apocrine carcinoma that begins in mammary glands and extends along lactiferous ducts to the epidermis where it is seen clinically as a scaly, crusted, or eroded plaque on the nipple or areola of women mostly, and…

Reticulated acanthoma with sebaceous differentiation mimicking melanoma

Reticulated acanthoma with sebaceous differentiation mimicking melanoma

…characteristic of RASD. Muir-Torre syndrome (MTS) is characterized by the presence of cutaneous sebaceous neoplasia, such as sebaceous adenoma, sebaceous carcinoma, and sebaceoma. Patients with MTS develop carcinoma of internal organs very…

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…

Histologic Diagnosis of Inflammatory Skin Diseases

Embryologic Development

…ss at the base of the future surface epidermis. Germinative cells proliferate to become the infundibular epidermis, apocrine unit, sebaceous unit, and hair follicle. The bulge of the follicle situated beneath the future sebaceous gland represents…