Primary sacral lymphoma is rare. With atypical symptoms: back pain and radiculopathy. It has prognostic value, which is much better than the other primary sacral tumor. The report presents a clinical case of primary lymphoma in a 74 - year - old woman with pain and numbness the legs. CT and MRI showed the mass # 5,6x9,5x7,7 cm, with histopathology of Non-Hodgkin’s lymphoma of B cell lineage. Aim: to report a rare case - Primary sacral Non - Hodgkin’s lymphoma.