What Is Mastocytosis?

2. Epidemiology

Based on the number of new patients who visit dermatology clinics, it is estimated that 0.1% to 0.8% have some type of mastocytosis. In children, the commonest type is maculopapular cutaneous mastocytosis at about 47% to 75% of cases. Other types in the pediatric population include mastocytoma and diffuse cutaneous mastocytoma. Mastocytosis is most commonly seen among children where 75% occur in infancy or early childhood. The incidence of mastocytosis peaks again in the population between the ages of 30 to 49 years. Most mastocytosis cases are seen among whites as the cutaneous lesions are less obvious in individuals with heavily pigmented skin.

What Is Mastocytosis?

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