Korean Journal of Dermatology  1984;22(2):249-252

Urticaria Pigmentosa in Twin Babies.

Gwang Yoon CHO ; Eun Hee CHOO ; Hyung Ok KIM ; Chung Won KIM

Country

Republic of Korea

Language

Korean

Abstract

Urticaria pigmentosa developed in twins at the age of 6 weeks. They have numerous round to oval shaped, discrete or confluent reddish brown colored macules over whole body surface and neither twin had vomiting, diarrhea, flushing or irritability. Their relatives are unaffected. Biopsy specimen of. back lesion showed. pooling of mast cells in the upper dermis, and electron microscopic examinattion revealed normal mast cells.