central nervous system burkitt lymphoma in a child (a case report).

introduction: burkitt lymphoma (bl) is rare, but an aggressive malignancy. central nervous system burkitt lymphoma (cnsbl) is very rare. cns burkitt’s lymphoma is treated with high-dose chemotherapy and radiation. radiotherapy in children younger than three years old may cause major cns damage. case report: a three-year-old boy presented with painful proptosis of the left eye. he underwent adenoidectomy 2 months before admitted to our center. sleep difficulty was not resolved after surgery. microscopic study of paranasal sinus biopsy and ihc confirmed the diagnosis of burkitt lymphoma. conclusions: inany patients presenting with painful proptosis, bl should be considered. adenoid hyperplasia should not be considered as a sole cause of sleep difficulty.