Pathology of primary reticulum cell sarcoma of the human central nervous system.

Among 6000 consecutive autopsies, 9 cases of primary reticulum cell sarcoma of the central nervous system were discovered. There were 5 males and 4 females from 17 to 68 years old, and the mean clinical duration was 5 months. Gross examination revealed a wide range of lesions in the cerebral hemispheres, cerebellum and spinal cord. Histologically, the same type of malignant reticulum cell proliferation was encountered in every case.