• Emre Adiguzel, Ayça Uran, Serdar Kesikburun, Özlem Köroğlu, Yasin Demir, and Evren Yaşar.
• a Department of Physical Medicine and Rehabilitation , Gülhane Military Medical Academy, Turkish Armed Forces Rehabilitation Center , Ankara , Turkey and.
• Brain Inj. 2015 Jan 1; 29 (13-14): 1736-9.

BackgroundHeterotopic ossification (HO) is the ectopic bone formation in non-osseous tissues. This study aimed to present two patients with traumatic brain injury (TBI) who had HO in knee joint and pain relief after genicular nerve blockage. Case 1: A 14-year-old patient with TBI was admitted with bilateral knee pain and limited range of motion. Physical examination and x-ray graphics revealed calcification which was diagnosed as HO. Ultrasonography (US) guided genicular nerve blockage was performed to both knees with 2 ml lidocaine and 1 ml betamethasone. VAS of pain was decreased to 30 mm from 80 mm. At 6-month follow-up, VAS of pain was still 30 mm. Case 2: A 29-year-old patient with TBI was admitted for rehabilitation. He had right knee pain and his pain was 80 mm according to VAS. Investigation revealed HO. US guided genicular nerve blockage was performed to the right knee and pain was decreased to 20 mm.DiscussionUS guided genicular nerve blockage can provide pain relief in HO and this technique may be effective and alternative for pain relief in patients with neurogenic knee HO to increase patient's compliance.

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