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A member asked:
What does an increased number of mast cells in stress-indiced urticaria biopsy indicate? previously diagnosed w/connective tissue autoimmune disease.
A doctor has provided 1 answer
Histamine!: Mast cells contain histamine the chemical start in "immunology" parlance causes itching, leagage of fluid from blood vessels, even burning. This typical in an urticarial bx!
Answered 10/22/2015
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