Subdural effusion with hydrocephalus in dentatorubral-pallidoluysian atrophy: A case report.

Rinsho ShinkeigakuOct 17, 2026 (epub)
Case ReportNeurosurgeryNeurologyRadiology (Diagnostic)

Hisashi Takahashi, Shunki Yamaguchi, Kengo Tsuji et al.

✦ AI-curated · Sources linked

Case in brief

A 56-year-old woman with dentatorubral-pallidoluysian atrophy (DRPLA) presented with progressively impaired consciousness. Head CT showed bilateral subdural effusions compressing the cerebral hemispheres. As the effusions enlarged despite conservative management, burr-hole drainage was performed. Marked hydrocephalus then developed, and the patient had a poor neurological outcome. The authors proposed that repeated head injuries and periventricular parenchymal damage associated with DRPLA may have contributed to the subdural effusion with hydrocephalus (SDEH).

What made this case unusual

SDEH is usually associated with severe head injury or neurosurgical procedures; this case describes it in a patient with DRPLA, a neurodegenerative disorder.

Diagnostic / clinical pearl

In a patient with DRPLA and subdural effusions, consider SDEH as a potential complication, including when hydrocephalus emerges after drainage.

Source

PubMed · PMID 42893876

Published in Rinsho Shinkeigaku. This summary was written by xxcode from the publication's abstract and metadata. It is not peer reviewed and is not a substitute for the original article. For clinical decisions, review the original publication.

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