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Persistent idiopathic unilateral hypoglossal [corrected] nerve palsy: a case report
Anna Sayan1, A H M K Abeysinghe2, Peter A Brennan3
1Poole Hospital NHS Foundation Trust, United Kingdom.
The British Journal of Oral & Maxillofacial Surgery
|May 20, 2014
Summary
Idiopathic hypoglossal nerve palsy, affecting tongue movement, rarely fails to resolve. This case highlights the need for thorough investigation to rule out serious underlying conditions when recovery does not occur.
Area of Science:
- Neurology
- Otolaryngology
Background:
- The hypoglossal nerve (XII) controls tongue movement.
- Injury can cause tongue atrophy, deviation, and fasciculations.
Observation:
- Idiopathic hypoglossal nerve palsy is typically self-limiting.
- This report details a rare case of persistent, isolated palsy.
Findings:
- The described case of hypoglossal nerve palsy did not resolve spontaneously.
- Meticulous diagnostic investigation was crucial.
Implications:
- Highlights the importance of comprehensive evaluation for persistent cranial nerve palsies.
- Underscores the need to exclude sinister pathology even in apparently idiopathic cases.

