Meningeal carcinomatosis as the initial clinical manifestation of a tumor is a very rare event and difficult to make diagnosis. Lumbar puncture is a single and useful diagnostic method, and meticulous cytologic study of cerebrospinal fluid specimen is needed for correct diagnosis. A case of meningeal carcinomatosis diagnosed by cytologic study of CSF and later confirmed primary carcinoma of the stomach by, fiberscopic biopsy is briefly presented.
Meningeal signs and symptoms were the primary clinical manifestation in case.