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Common peroneal nerve compression by a popliteal venous aneurysm
Seong Ho Jang1, Honggi Lee, Seung Hoon Han
1Department of Rehabilitation Medicine, Hanyang University Guri Hospital, Kyunggi, Republic of Korea.
A venous aneurysm compressed the common peroneal nerve, causing foot drop after surgery. Surgical removal of the aneurysm resolved the nerve compression and improved symptoms.
Area of Science:
- Neurology
- Vascular Surgery
- Diagnostic Imaging
Background:
- A 58-year-old male presented with right foot drop and sensory changes in the calf and foot post-bladder operation.
- Clinical examination revealed significant motor weakness and sensory disturbances in the right lower extremity.
Observation:
- Electrodiagnostic studies indicated right common peroneal nerve palsy.
- Imaging revealed a popliteal venous aneurysm impinging the common peroneal nerve.
Findings:
- The common peroneal nerve was compressed between the venous aneurysm and the biceps femoris muscle.
- Surgical resection of the aneurysm led to gradual improvement in motor strength and sensory symptoms.
Implications:
- This case highlights the importance of considering venous compression in cases of focal neuropathy.
- Unusual entrapment sites, including vascular anomalies, should be investigated when common entrapment sites are ruled out.
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