A retrospective review of 10 children with biopsy proved mucosa-associ
ated lymphoid tissue lymphoma of the parotid glands demonstrated multi
focal hypoechoic intraparotid nodules and cysts with punctate calcific
ation on sonography This was confirmed on computed tomographic examina
tion. All children were seropositive for human immunodeficiency virus
and had depressed CD4 counts. Mucosa-associated lymphoid tissue lympho
ma should be considered in the diagnosis of bilateral parotid swelling
in children with acquired immunodeficiency disease-related complex.