Long-term Follow-up of Intracapsular Schwannoma Excision

Introduction The current criterion-standard treatment for schwannomas is intracapsular excision. This study was designed as a long-term follow-up to investigate postoperative symptoms, nervous impairment, and recurrence rate. Methods We performed a long-term follow-up of 18 subjects who underwent intracapsular schwannoma excision. We evaluated preoperative versus postoperative 2-point discrimination (2-PD) in the affected dermatome, pain (visual analog scale [VAS] from 0–10), Hoffmann-Tinel sign, and thermoreceptor response. For reasons of comparison, all examinations were done on both the healthy and affected extremity. Results Last postoperative follow-up was done on average after approximately 50.4 months. Comparison between preoperative and postoperative sensibility testing (2-PD) in the affected dermatome showed a significant improvement of 22.7% after surgery (5-mm 2-PD; P = 0.02). Compared with the healthy nonoperated extremity preoperatively, subjects showed a significant sensory deficit of 40.9% (9-mm 2-PD; P

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