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| Image features of ankle joint in middle-aged and old patients with Kashin-Beck disease |
| WANG Sheng-hai1, WANG Lu2, ZHANG Zhen-xian1, WANG A-qian2, LI Hai-jiang1, PAN Shi-nong3, ZHENG Tong1 |
| 1. Yan’an Hospital of China Medical University(Yan’an People’s Hospital), Yan’an Shaanxi 716000, China;
2. Yan’an University Medical College, Yan’an Shaanxi 716000, China;
3. Shengjing Hospital of China Medical University, Shenyang 110004, China |
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Abstract Objective: To analyze ankle joint image features of Kashin-Beck disease(KBD) in the elderly and to measure relevant data in order to provide quantitative indicators for the diagnosis and treatment of KBD. Methods: The CT findings of 32 ankle joints in 16 cases of KBD and the MRI findings of 8 ankle joints in 4 cases of KBD were retrospectively analyzed. Among 16 cases of KBD, there were 10 males and 6 females, with an average age of 52.22 years and a median age of 51 years. Four cases of KBD were males, with an average age of 51.33 years and a median age of 52 years. Independent sample t test and variance analysis were used to analyze the difference of ankle CT data between KBD patients and normal controls(talus upper and lower diameter, anterior and posterior diameter, left and right diameter, anterior, middle and posterior width of talus trochlear articular surface, radius of talus trochlear arcuate articular surface, size of lateral process of talus, anterior and posterior diameter of calcaneus, upper and lower diameter of calcaneu, size of sustentaculum tali, anterior and posterior diameter, right and left diameter, upper and lower diameter of scaphoid, sagittal diameter of lower tibia/sagittal diameter of the tibia 3 cm from the ankle articular surface, and coronal diameter of lower tibia/coronal diameter of the tibia 3 cm from the ankle articular surface). Results: ①Compared with the normal control group, the imaging features of ankle joint in KBD were enlarged articular surface of lower tibia, flattened talus, wider anterior, middle and posterior width of talus trochlear joint, enlarged radius of trochlear arc articular surface, enlarged lateral process, shorter anterior and posterior diameter of calcaneus, smaller Gissane’s angle of calcaneus, smaller anterior and posterior diameter of scaphoid, and larger upper and lower diameter of scaphoid. ②There was no significant difference in the length and width of talus, the size of sustentaculum tali, the left and right diameter of scaphoid between KBD patients and normal controls. Conclusion: The imaging manifestations of ankle joint and the measurement of related data are different between KBD and normal people, which can be used as an auxiliary diagnostic index of KBD.
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Received: 07 May 2018
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