" /> Trichilemmoma - CISMeF





Preferred Label : Trichilemmoma;

NCIt synonyms : Tricholemmoma;

NCIt related terms : TRICHOLEMMOMA, BENIGN;

NCIt definition : A benign neoplasm arising from the outer hair sheath and infundibulum. It occurs in the head and neck, usually on the face. It usually presents as an exophytic wart-like lesion or a dome-shaped lesion with a smooth surface. Morphologically, it is characterized by the proliferation of cuboidal cells with clear or eosinophilic cytoplasm in the dermis with connection to the epidermis/hair follicle. There is peripheral cellular palisading, and the lesion is surrounded by a hyaline band.;

Alternative definition : CDISC: A benign hair follicle neoplasm in the outer hair sheath and infundibulum, characterized by central cells showing highly eosinophilic amorphous keratin.;

Neoplastic status : Benign;

ICD-O code : 8102/0; 8102/2;

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Keyword's position in hierarchy(ies) : arborescence

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29/05/2025


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