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Primary dural non-Hodgkin's lymphoma as a diagnostic pitfall: Report of a rare presentation with review of literature

1 Department of Pathology, Institute of Human Behaviour and Allied Sciences, Delhi, India
2 Department of Neurosurgery, Guru Teg Bahadur Hospital, Delhi, India

Correspondence Address:
Ritika Singh,
Department of Pathology, Institute of Human Behaviour and Allied Sciences, Dilshad Garden, Delhi - 110 095
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jmau.jmau_110_20

Primary central nervous system lymphomas (PCNSLs) account for 2%–3% of all primary brain tumors. Lymphomas arising from the dura, without brain and other systemic involvement, constitute a tiny fraction of this rare group. Most dural lymphomas present as dural-based masses and an acute presentation as a subdural hematoma is exceptional, with only five such cases reported previously in the literature. We present the case of a 65-year-old female who was admitted with complaints of slurring of speech, visual disturbances, and reduced appetite for 2 days. Computerized tomography scan showed a crescentic hyperdense area in the left fronto-temporo-parietal region with no bony or extracranial involvement suggestive of acute subdural hematoma. There was a history of a similar episode 3 months back, wherein she was operated upon and followed up conservatively. Craniotomy for drainage was performed, and histopathology revealed a non-Hodgkin's Lymphoma. Primary lymphoma of the dura is a rare subtype of PCNSL. This case is being reported for its unusual presentation as a common entity-an acute subdural hematoma.

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