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Primary malignant lymphoma of the cauda equina
The American Journal of Surgical Pathology
|March 1, 1983
Summary
This case report details paraplegia caused by B-cell lymphoma in the cauda equina. Despite treatment, neurological symptoms persisted, highlighting challenges in managing spinal cord lymphomas.
Area of Science:
- Neurology
- Oncology
- Hematology
Background:
- Spinal cord lymphomas are rare, often presenting with non-specific neurological deficits.
- Malignant B-cell lymphoma originating in the cauda equina is an exceptionally uncommon presentation.
Observation:
- A patient presented with paraplegia attributed to a primary cauda equina tumor.
- Initial diagnosis was aided by cerebrospinal fluid (CSF) cytology, with subsequent confirmation via tissue biopsy after laminectomy (T12-L3).
- Histological and immunologic studies classified the tumor as a diffuse large B-cell lymphoma with lambda light chain restriction.
Findings:
- The lymphoma was confined to the lower spinal cord.
- Radiotherapy did not improve the patient's neurological status.
- CSF cytology remained positive for malignant cells two months post-diagnosis.
Implications:
- This case underscores the diagnostic and therapeutic challenges of primary spinal cord lymphomas.
- Effective treatment strategies for B-cell lymphoma involving the cauda equina require further investigation.
- Early and accurate diagnosis is crucial for potentially improving outcomes in rare neurological oncologic emergencies.