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Yun-Sic Bang,1 Junbeom Park,1 Jihee Kim,1 Young-Soon Choi,2 Young Su Lim,2 Hyung Rae Cho,3 Young Uk Kim21Department of Anesthesiology and Pain Medicine, CHA Bundang Medical Center, CHA University, Seongnam, Republic of Korea; 2Department of Anesthesiology and Pain Medicine, Catholic Kwandong University, College of Medicine, International ST. Mary’s Hospital, Incheon, Republic of Korea; 3Department of Anesthesiology and Pain Medine, Myongji Hospital, Hanyang University Medical Center, Seoul, Republic of KoreaPurpose: Knee tibiofemoral osteoarthritis (KOA) is a major health problem, affecting approximately 30% of elderly. Several studies have reported that the loss of patellar cartilage is associated with an increased risk of KOA. However, no study has reported the optimal cut off value of patellar cartilage cross-sectional area (PCA) in KOA. We hypothesize that PCA is a new sensitive morphologic parameter in the diagnosis of KOA. The purpose of this study was to determine whether PCA could be used as an important adjuvant morphological parameter in the diagnosis of KOA.Patients and methods: Data regarding PCA were collected from 88 subjects with KOA. A total of 77 subjects in the control group underwent knee MRI as part of nonsymptomatic medical examination. T2-weighted axial images were acquired from both groups. Using a picture archiving communications system, we analyzed the cross-sectional area of the patellar cartilage on MRI.Results: The average PCA was 98.66±22.18 mm2, in the control group, which was significantly (p |
