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
Sarcoidosis
Etiology, pathogenesis
  • unknown
Clinical signs
  • skin is affected in about 40% patients with chronic sarcoidosis
  • in about 25%of cases is sarcoidosis limited to skin
  • dark red plaques and papules are the most common variant
  • lupus pernio: infiltration of the nose
  • asymptomatic (no pain, no ulcerations)
  • erythema nodosum in acute mediastinal form: syndrome of Löfgren
  • extracutaneous involvment: mediastinal lymphnodes, bronchi, lungs, liver, bones, eyes etc.
  • (usually) chronic disease
Pictures

Sarcoidosis, lesions of the arm: Sarcoidosis, Clinical picture (911)

Sarcoidosis, larger nodules: Sarcoidosis, Clinical picture (912)

Sarcoidosis, lupus pernio: Sarcoidosis, Clinical picture (913)

Sarcoidosis, lesion of the face: Sarcoidosis, Clinical picture (915)

Further examples of sarcoidosis:

Histology

Dermal epithelioid granulomas, irregular, often mild lymphocytic infiltrate.