Synonym(s)
melanocytic matricoma
HistoryThis section has been translated automatically.
Carlson, 1999
DefinitionThis section has been translated automatically.
Rare, benign epithelial tumor with hair follicle differentiation.
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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.
- Betlach J et al (2015) Melanocytic matricoma--a case report. Cesk Patol 51:133-135
- Carlson JA et al (1999) Melanocytic matricoma: a report of two cases of a new entity. At J Dermatopathol 21:344-349
- Tanboon J et al (2014) Melanocytic matricoma: two cases of a rare entity in women. J Cutan Pathol 41:775-782
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Disclaimer
Please ask your physician for a reliable diagnosis. This website is only meant as a reference.
Prof. Dr. med. Peter Altmeyer