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
Angiokeratoma
Clinical signs
  • most frequent location: genital, lower extremities, trunk
  • violet papules with hyperkeratosis
  • linear arrangement on lower extremities
  • diffuse angiokeratomas are the sign of Fabry disease (defect of alpha-galactosidase A)
  • Angiokeratoma of Fordyce: multiple small (2 – 4 mm) angiokeratomas on the scrotum
  • Angiokeratoma of Mibelli: verrucous angiokeratomas on the dorsa of the fingers and toes

Angiokeratoma (2800)

Senile angiokeratoma (2804)

Histology

Epidermal hyperplasia with hyperkeratosis in close apposition to capillary spaces (which are dilated, with thin wall).

Angiokeratoma (1188)

Scrotal angiokeratoma of Fordyce (3685)