Immunoblastic sarcoma of B-cells in a 24-month-old child. Report of a case.

Immunoblastic sarcoma is a malignancy of transformed lymphocytes with a high association of occurrence in patients with immune disorders. The youngest previously reported case occurred in a 6-year-old child with immunoblastic lymphadenopathy. The authors report the finding of immunoblastic sarcoma of B-cells in a previously healthy 24-month-old boy. This represents the youngest reported patient with this lymphoma.