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
Dr. Thomas Namey answered

Specializes in Rheumatology

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

5.2k views

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