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Korean J Spine > Volume 1(3); 2004 > Article
Thermographic Assessment of Recurrent Lumbar Disc Herniations after Discectomy
oo-Yeon Cho, M.D., Byung-Chan Jeon, M.D. and Hwa-Dong Lee, M.D.
Department of Neurosurgery, Kosin University Gospel Hospital, Busan, Korea
수술 후 재발한 요추간반탈출증에 대하여 적외선체열촬영을 이용한 평가
조주연, 전병찬, 이화동
고신대학교 복음병원 신경외과학교실
The study was designed to assess the efficacy of digital infrared thermographic imaging(DITI) in differentiating between reherniation and scarring after open lumbar disc surgery.
Thirty three patients among 84 patients showing recurrent or persistent leg pain after open lumbar discectomies by the senior author or at other hospitals from 1993 to 1999 underwent magnetic resonance image(MRI) scan and DITI.
Among them 18 patients exhibiting reherniation on MRI scan and taking a repeat surgery had mean thermal differences of 0.83±0.48 between both lower extremities. Fifteen patients exhibiting epidural scarring on MRI scan and taking conservative treatment had mean thermal difference of 0.52±0.20 between both lower extremities. The paired-t test showed significant statistics(p=0.017).
We conclude that DITI can predict reherniation or scarring and be used as an alternative method in assessment of patients with recurrent or persistent lumbar disc herniation after open lumbar discectomy.
Keywords: Recurrent lumbar disc herniation, Reherniation, Scarring, DITI

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