Pathology
Images
Atlas of dermatopathology
Josef Feit, Hana Jedličková, Günter Burg, Luděk Matyska, Spasoje Radovanovic et al.
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+ Introduction
+ Literature
+ Support
+ Skin biopsy
+ Non-tumorous skin diseases
+ Skin tumors
+ Cysts of the skin and subcutis
+ Soft tissue lesions
+ Some lesions of the oral cavity
+ Dermatovenerology
+ Collection of histological slides by prof. Günter Burg
+ Collection of histological slides by prof. Werner Kempf
+ Collection of histological slides of dr. Ram Chandra Adhikari
Desmoplastic trichoepithelioma
Clinical signs
  • small, centrally umbilicated tumor
  • location: face
Histology

Small nests and branching cords of squamous epithelium, small keratinous cysts, foci of keratinization, small calcifications and ossifications. Stroma is collagenous. No retraction arteracts are present.

EMA is positive (positive in microadnexal carcinoma, negative in basal cell carcinoma), stromelysin 3 is negative (positive in BCC and microadnexal carcinoma).

Desmoplastic trichoepitelioma (4704)

Desmoplastic trichoepitelioma (4704)