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Year : 2020  |  Volume : 4  |  Issue : 3  |  Page : 125-128

Infrapatellar neuralgia due to bullous morphea in postknee arthroplasty patients treated with radiofrequency

Department of Anaesthesia and Pain Relief Service, Tata Motors Hospital, Jamshedpur, Jharkhand, India

Correspondence Address:
Dr. Ashok Jadon
Duplex-63, Vijaya Heritage Phase-6, Kadma, Jamshedpur - 831 005, Jharkhand
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/BJOA.BJOA_36_20

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Injury or entrapment of the infrapatellar branch of the saphenous nerve (IPS) can cause persistent anterior and medial knee pain. However, IPS neuralgia because of bullous morphea is rare and not reported earlier. We present a case of IPS neuralgia after total knee replacement where the pain was attributed to local skin lesion of bullous morphea (BM). After a successful diagnostic block, radiofrequency treatment was done to provide prolonged relief. We have discussed the possible pathogenesis of nerve entrapment and pain by BM in our case and the basis of treatment by radiofrequency ablation.

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