HAEM5:Juvenile xanthogranuloma: Difference between revisions

JXG lesions are generally asymptomatic and their characteristics are different in adult and paediatric settings. Infants may present with ≥1 cutaneous, pale yellow-tan, dome-shaped papulonodular lesions. Approximately 5% of patients present with multiple lesions. Typically lesions begin as raised, pink to dark-brown lesions that may become less elevated over time. Spontaneous resolution of some lesions, leaving the involved tissue with residual scarring or loss of elasticity, may occur after months or years. A clinical subtype of JXG called benign cephalic histiocytosis occurs in head and neck of young children, asymptomatic, self-healing papular lesions. The lesions are often large, solitary and persistent in adults which needs exclusion of Erdheim–Chester disease. JXG may occur in patients with neurofibromatosis type 1, also reported in Wiskott–Aldrich syndrome.