Urticaria pigmentosa is most frequently observed in children. The associated symptomatology in mastocytosis is vague and not always diagnostic, and Darier's sign is often negative, making the diagnosis challenging. We describe a case of a 61-year-old man with extensive brown papules and macules in different locations of the body that slowly progressed in the last 10 years with a previous anaphylactic reaction after an ant bite. This suggests that urticaria pigmentosa in an adult should be furthered assessed for the possibility of systemic involvement for a correct diagnosis and treatment.
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| http://dx.doi.org/10.1080/08998280.2022.2081914 | DOI Listing |
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View Article and Find Full Text PDFMastocytosis is a group of disorders characterized by the pathologic accumulation of mast cells in various tissues. One example of mastocytosis is urticaria pigmentosa, which presents with mastocytomas that can cause hives and, when irritated, pruritus. To our knowledge, we are describing the first case of urticaria pigmentosa without pruritus.
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