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Acta Medica Iranica، جلد ۵۵، شماره ۹، صفحات ۵۷۳-۵۷۷
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عنوان انگلیسی The Normal Value of Tibial Tubercle Trochlear Groove Distance in Patients With Normal Knee Examinations Using MRI
چکیده انگلیسی مقاله Patellar instability is a multifactorial common knee pathology that has a high recurrence rate, and the symptoms continue and ultimately predispose the patient to chondromalacia and osteoarthritis. Tibial tuberosity-trochlear groove distance (TTTG) is very important in the assessment of patellofemoral joint instability. The purpose of this study was to report the normal value of TTTG in males and females in different age groups and to assess the reliability of MRI in measuring TTTG. All patients presenting with knee pain and normal examinations of the knee joint, with a normal MRI report, referring to Shahid Sadoughi hospital of Yazd, Iran, from April 2014 to September 2014, were included in the study. MR images were studied once by two radiologists and for the second time by one radiologist. Mean value of TTTG was reported for males and females and in three age groups. Intra- and inter-observer reliability was calculated. A total of 98 patients were eligible to evaluate during 6 months (68 male and 30 female). Mean TTTG was 10.9±2.5 mm in total, which was 10.8±2.8 mm and 11.3±2.3 mm in males and females, respectively ( P >0.05). Mean TTTG in males ≤30 years, 30-50 years and, ≥51-year-old were 10.8±2.6 mm, 10.8±2.7 mm, and 10.8±2.6 mm, respectively; that was 12.1±3.4 mm, 11.4±1.9 mm, and 10.5±1.7 mm in females ≤30 years, 31-50 years and, ≥51-year-old, respectively (95% CI). The coefficient of variation was < 10% for both intra- and interobserver analysis. The results of the present study showed no significant difference in TTTG value between males and females in different age groups. In addition, it demonstrated that MRI is a reliable method in assessment of TTTG and identified normal value for TTTG at 10.9±2.5 mm.
کلیدواژه‌های انگلیسی مقاله Knee,Anatomy,Magnetic resonance imaging,TTTG
نویسندگان مقاله محمد سبحان اردکانی | mohammad sobhanardekani
department of orthopedics, school of medicine, shahid sadoughi university of medical sciences, yazd, iran.


محمدرضا سبحان | mohammad reza sobhan
department of radiology, school of medicine, shahid sadoughi university of medical sciences, yazd, iran.


رضا نفیسی مقدم | reza nafisi moghadam
department of radiology, school of medicine, shahid sadoughi university of medical sciences, yazd, iran.


سپهر nabavinejad | sepehr nabavinejad
department of radiology, school of medicine, shahid sadoughi university of medical sciences, yazd, iran.


سیدکاظم رضوی رتکی | seid kazem razavi ratki


نشانی اینترنتی http://acta.tums.ac.ir/index.php/acta/article/view/6075
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