Mastocytosis

VERY RARE

Lesions called “Urticaria pigmentosa”  (pictures below)
  • small tannish / reddish-brown macules or papules (rarely nodules)
  • Lightly rubbing one generates focal erythema or wheal 

Refer to an allergist or hematologist

Pictures

ibmi3.mf.uni-lj.si

img.medscape.com

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