ORBITAL LYMPHOMA AND LEUKEMIAS

Orbital lymphoma and leukemias are the most common primary malignancy of the orbit We reviewed our results in the management of 56 orbital l ymphoma and leukemia cases over a 32-year period. All had orbital biop sies. Treatment included radiotherapy (1,500 to 3,500 cGY, depending o n the malignancy of the histology) in non-Hodgkin's lymphoma and lymph oplasmacytoid tumors, systemic chemotherapy plus orbital irradiation i n Hodgkin's lymphoma, and reticulum cell sarcoma and chemotherapy in B urkitt's lymphoma and leukemias. At a mean follow-up of 5 years, 32.1% of the patients died. Orbital lymphoma and leukemias can be potential ly fatal.