Matrixoma melanocyticD23.L

Author:Prof. Dr. med. Peter Altmeyer

All authors of this article

Last updated on: 29.10.2020

Dieser Artikel auf Deutsch

Synonym(s)

melanocytic matricoma

Requires free registration (medical professionals only)

Please login to access all articles, images, and functions.

Our content is available exclusively to medical professionals. If you have already registered, please login. If you haven't, you can register for free (medical professionals only).


Requires free registration (medical professionals only)

Please complete your registration to access all articles and images.

To gain access, you must complete your registration. You either haven't confirmed your e-mail address or we still need proof that you are a member of the medical profession.

Finish your registration now

HistoryThis section has been translated automatically.

Carlson, 1999

DefinitionThis section has been translated automatically.

Rare, benign epithelial tumor with hair follicle differentiation.

ManifestationThis section has been translated automatically.

m>f (4:1); older patients (60-80 years) are affected.

LocalizationThis section has been translated automatically.

Sun-exposed areas (back of the hand, face).

Clinical featuresThis section has been translated automatically.

Very rare, smooth-surfaced dark brown or black, up to 1.0 cm large, asymptomatic tumour, which occurs preferably in sun-exposed areas (hands, face).

HistologyThis section has been translated automatically.

Well defined epithelial tumor node consisting of densely packed cytoplasmic cells. These abruptly change into shadow cells (as in the pilomatrixoma). The epithelial cell groups are interspersed with numerous dendritic melanocytes.

LiteratureThis section has been translated automatically.

  1. Betlach J et al (2015) Melanocytic matricoma--a case report. Cesk Patol 51:133-135
  2. Carlson JA et al (1999) Melanocytic matricoma: a report of two cases of a new entity. At J Dermatopathol 21:344-349
  3. Tanboon J et al (2014) Melanocytic matricoma: two cases of a rare entity in women. J Cutan Pathol 41:775-782

Authors

Last updated on: 29.10.2020

Author: Prof. Dr. med. Peter Altmeyer