Ultrasonic Measurement of Articular Cartilage Thickness of Distal Femurs in Normal Adults
XUE Li-fang1,2, WANG Yuan-li2, LU Yan-li2, NIU Lin-lin2, MAO Jun2, LIU Yan-hua2, JIANG Lan2
1.Department of Ultrasound, Peking University People’s Hospital, Beijing 100044, China; 2.Department of Ultrasound, Beijing Longfu Hospital, Beijing 100010, China
Abstract：Objective To get normal reference values through measuring articular cartilage thickness of distal femurs in normal adults with ultrasound. Methods 180 normal adults ranged from 20 to 38 years old were examined with ultrasound to observe articular cartilages. 15 cases with uneven ultrasonic echo or rough image surface were excluded, and articular cartilage thickness of distal femurs of other 165 cases were measured with ultrasound. Measurement sites included internal condyle, intercondylar groove and lateral condyle. Results The thickness of the three sites were (2.23±0.28) mm, (2.67±0.49) mm, (2.55±0.26) mm in male, and (1.91±0.25) mm, (2.48±0.43) mm, (2.25±0.26) mm in female, respectively. The cartilage thickness of lateral condyle surface in knee joint was significantly thicker than that of internal condyle surface (P＜0.05). And the difference of average cartilage thickness between left and right knee joints was not significant (P＞0.05). The cartilage thickness of articular surface in male was significantly thicker than that in female (P＜0.05). Conclusion It is feasible to measure articular cartilage thickness of distal femurs in normal adults with ultrasound, which can provide references for the establishment of normal standard.
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XUE Li-fang, WANG Yuan-li, LU Yan-li, NIU Lin-lin, MAO Jun, LIU Yan-hua, JIANG Lan. Ultrasonic Measurement of Articular Cartilage Thickness of Distal Femurs in Normal Adults. China Medical Devices, 2014, 29(11): 154-156.
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