• G Martínez-Villén, J Badiola, R Alvarez-Alegret, and E Mayayo.
• Department of Trauma and Orthopaedic Surgery (Hand Surgery and Microsurgery Unit), Miguel Servet University Hospital, 50009 Zaragoza, Spain. Electronic address: gmartinezvillen@gmail.com.
• J Plast Reconstr Aesthet Surg. 2014 Jun 1; 67 (6): 828-36.

AbstractNerve compression syndromes caused by non-neural tumours or tumour-like lesions are rare. We retrospectively reviewed 541 consecutive patients operated on by the same surgeon to study nerve compression syndromes in the forearm and hand. There were 414 due to nerve compression and 127 caused by tumours. Twenty-two patients showed compression neuropathy associated with 17 tumours and six tumour-like lesions, with 13 different pathological types. The most common types were fatty and vascular tumours. Twenty-one tumours were extraneural and one was intraneural. The median nerve was affected in nine cases, the ulnar nerve or the dorsal sensory branch of the ulnar nerve in five cases, the posterior interosseous nerve or the superficial radial branch in four cases and the common digital nerves in two cases. There was a concomitant involvement of the median and ulnar nerves in two other patients. Clinically, there were eight different compression neuropathies, of which the most frequent was the carpal tunnel syndrome. The postoperative histology was consistent with preoperative magnetic resonance imaging findings in the vascular and fatty tumours. Pain disappeared completely in 15 out of 16 patients with preoperative pain. All patients had preoperative paraesthesia, which persisted after tumour excision in three patients: attenuated in two patients and unchanged in one. In three patients, we did not observe any change in paresis or amyotrophy. The mean postoperative follow-up was 31 months, without tumour recurrence. The quick Disabilities of the Arm, Shoulder and Hand (DASH) score went from 49.9 points preoperatively to 10.2 points after surgery. Copyright © 2014 British Association of Plastic, Reconstructive and Aesthetic Surgeons. Published by Elsevier Ltd. All rights reserved.

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