urticaria pigmentosa

noun
urticaria pig·​men·​to·​sa | \ -ˌpig-mən-ˈtō-sə, -(ˌ)men-, -zə How to pronounce urticaria pigmentosa (audio) \

Medical Definition of urticaria pigmentosa

: a skin disorder usually occurring in children that is caused by the proliferation of mast cells and is marked by small, itchy, reddish-brown spots or bumps on the skin Urticaria pigmentosa is associated with indolent systemic mastocytosis in more than 80% of all cases; scratching of these reddish brown macules, which are scattered over the body except for the palms, soles, and scalp, triggers urtication and erythema …— Mandakolathur R. Murali et al., The New England Journal of Medicine, 24 Mar. 2011

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Dictionary Entries Near urticaria pigmentosa

urticaria

urticaria pigmentosa

urticariogenic

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Cite this Entry

“Urticaria pigmentosa.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/urticaria%20pigmentosa. Accessed 18 Jan. 2022.

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