Urticaria Pigmentosa
Alternate Names : Mastocytoma, Mastocytosis
Pictures & Images
Dermatographism - Close-Up
Dermatographism is a condition where lightly scratching the skin raises wheals or welts. Histamine is released, which causes the small blood vessels (capillaries) to dilate, producing redness and localized swelling.
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- Dermatographism - Close-Up
- Dermatographism on the Arm
- Urticaria Pigmentosa in the Armpit
- Mastocytosis, Diffuse Cutaneous
- Urticaria Pigmentosa on the Chest
- Urticaria Pigmentosa - Close-Up
- Dermatographism on the Back
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