Keen, Mohammad Abid2025-08-202025-08-202015https://hdl.handle.net/20.500.14572/1819Mohammad Abid Keen Jammu and Kashmir Health ServicesAbstract: Mastocytosis is a heterogenous group of diseases characterized by abnormal infiltration of mast cells in the skin and other organs. Urticaria Pigmentosa is the most common variant of cutaneous mastocytosis. We herein report a case of urticaria pigmentosa in a three year old boy. Keywords: Mastocytosis, Mast cells, Urticaria pigmentosaen-USArticle