Leptomeningeal metastases: Comparison of clinical features and laboratory data of solid tumors, lymphomas and leukemias
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We reviewed 63 cases of cytologically confirmed leptomeningeal metastases (LM). 31 (49%) had solid tumors 17 (27%) had leukemia and 15 (24%) had lymphoma.
The most common presenting symptom was pain (76%) with radicular discomfort (58%), headache (32%), neck or back pain (17%). The predominant neurological signs were mental status abnormalities (49%), weakness (47%), seizures (14%).
The mode of presentation varied with tumor type. Patients with leukemia (18%) and lymphoma (13%) tended to present frequently with LM without systemic involvement, or during periods of apparent remission (leukemia 35%, lymphoma 27%), while patients with solid tumors had established systemic metastases (90%) at time of presentation. Laboratory studies did not vary among the groups. 71% had positive cytology on the first lumbar puncture (LP) and only 8% required more than 2 LPs. The cell count was a poor predictor of positive cytology as 29% of LP's with positive cytology and 36% of all LP's had less than 4 cells/mm.
We conclude that 1) LM presents with pain and seizures more frequently than has been previously recognized; 2) LM is frequently the mode of presentation in patients with leukemia and lymphoma and; 3) cytology is positive frequently in CSF specimens with normal cell counts and chemistries.
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Journal of Neuro-Oncology
Volume 9, Issue 3 , pp 225-229
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- Kluwer Academic Publishers
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- leptomeningeal metastasis
- solid tumors
- lumbar puncture
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- Author Affiliations
- 1. Department of Neurology, Albert Einstein College of Medicine, 1300 Morris Park Avenue, 10461, Bronx, New York, USA
- 2. The Department of Oncology, Albert Einstein College of Medicine, Bronx, New York
- 3. Memorial Sloan Kettering Cancer Center New York, New York, USA