Adnexal tumors with differentiation of sebaceous glands D23.L/C44.L

Author: Prof. Dr. med. Peter Altmeyer

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Last updated on: 29.10.2020

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  • Heterogeneous group of tumours that originate from the epithelium of the sebaceous gland. With a rather monomorphic and uncharacteristic clinical picture they show an extraordinarily large histological variability, which often makes their exact classification difficult. In addition, there are difficulties due to the different nomenclature. The diagnosis "adnexal tumor with sebaceous gland differentiation" is generally a histological random diagnosis.
  • EMA (epithelial membrane antigen) marking can be useful for differentiation of sebocytes.

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The classification presented here is essentially based on the morphological criteria developed on the HE section.

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Last updated on: 29.10.2020