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Primary leptomeningeal lymphoma.
S Matano1, Y Sakashita, H Furusho
1Department of Internal Medicine, Tonami General Hospital, Toyama, Japan. matano@p1.coralnet.or.jp
Journal of Neuro-Oncology
|July 14, 2001
Summary
Primary leptomeningeal lymphoma, a rare condition, can complicate with subdural hematoma. Early diagnosis via cerebrospinal fluid analysis and specific MRI sequences is crucial for patients with neurological symptoms.
Area of Science:
- Neurology
- Oncology
- Radiology
Background:
- Primary leptomeningeal lymphoma (PML) is an exceptionally rare neoplastic infiltration of the central nervous system's meninges.
- The neuroradiological features and complications of PML remain incompletely understood, necessitating further case reporting.
Observation:
- A patient presented with headache, vomiting, and progressive cranial nerve palsy.
- Cerebrospinal fluid analysis revealed monoclonal proliferation of atypical B-lymphocytes, indicative of lymphoma.
- Neuroradiological imaging demonstrated a left frontal mass and subacute subdural hematoma, with characteristic high signal intensity in the subarachnoid space on proton-weighted MRI suggesting PML.
Findings:
- Surgical resection and histopathological examination confirmed primary leptomeningeal lymphoma with a complicating subdural hematoma.
- Systemic evaluation excluded extraneural lymphoma, solidifying the diagnosis of primary leptomeningeal lymphoma.
- The case suggests a potential association between subdural hematoma and primary leptomeningeal lymphoma.
Implications:
- Subdural hematoma should be considered in the differential diagnosis of patients with unexplained neurological deficits and suspected leptomeningeal disease.
- Proton-weighted MRI and cerebrospinal fluid analysis are vital diagnostic tools for identifying PML, especially when concurrent subdural hematoma is present.
- This case underscores the importance of comprehensive neuroimaging and fluid analysis in diagnosing rare neurological conditions.