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슬관절 연골 병변에 대한 관절경과 일상적 MRI의 비교
이기병 ( Kee Byoung Lee ),고성혜 ( Sung Hye Koh ),권덕주 ( Duck Joo Kwon ),서규남 ( Kyu Nam Seo ),이남규 ( Nam Kyou Rhee ) 대한슬관절학회 2006 대한슬관절학회지 Vol.18 No.2
Purpose: The cartilage lesions of routine MRI (no cartilage-specific image sequences) compared with those of arthroscopy for detecting how much we can predict. Materials and Methods: We made a retrospective study of 53 patients with cartilage lesions of medial femoral condyle in the knee arthroscopy from Nov. 2003 to Jan. 2006. We analyzed the extent of agreement in cartilage lesions between arthroscopy and routine MRI using modified Outerbridge classification. Results: All patients were categorized by modified Outerbridge Grade I~IV. In arthroscopy, 3, 4, 24, 22 cases were reported in each category: on routine MRI, 3, 10, 12, 23 cases were reported in each category and there were 5 normal cases. The sensitivity of cartilage lesions on MRI was high (90.6%), however, the agreement of those was low (K=0.24). We found 24 cases (45.2%) that MRI levels and arthroscopy levels were matched. We found 29 cases (54.7%) that those two levels were not matched. Conclusion: It is important to make a close inspection of chondral surfaces even in routine MRI. And cartilage lesions in routine MRI should be considered as those of higher grade in arthroscopy.
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