本文關(guān)鍵詞： 320排容積CT 軟骨視窗 發(fā)育性髖關(guān)節(jié)脫位 股骨頸前傾角　出處：《山東中醫(yī)藥大學(xué)》2012年碩士論文　論文類型：學(xué)位論文

【摘要】：目的：初步探討320排CT容積成像結(jié)合軟骨視窗技術(shù)在測(cè)量發(fā)育性髖關(guān)節(jié)脫位（Developmental Dislocation of the Hip,DDH）患兒股骨頸前傾角（Femoral neckanteversion,FNA）中的臨床應(yīng)用價(jià)值。方法：收集114例1～8歲DDH患兒320排容積CT掃描圖像，將所有髖關(guān)節(jié)按每一周歲為一年齡段分為1～8歲組，，分別應(yīng)用常規(guī)三維CT測(cè)量法及320排CT容積成像結(jié)合軟骨視窗技術(shù)測(cè)量每一髖關(guān)節(jié)的骨性股骨頸前傾角（Bony Femoral neck anteversion,BFNA）及軟骨性股骨頸前傾角（Cartilaginous Femoral neck anteversion,CFNA）。①比較每一年齡組兩種測(cè)量方法測(cè)量值的差異。②繪制脫位側(cè)髖關(guān)節(jié)CFNA值與年齡關(guān)系圖。③比較單側(cè)DDH患兒脫位側(cè)與未脫位側(cè)髖關(guān)節(jié)CFNA的差異。結(jié)果：①1～5歲DDH患兒每一年齡組CFNA與BFNA均具有統(tǒng)計(jì)學(xué)顯著性差異，CFNA大于BFNA且其差值隨年齡增大而逐漸減小，6～8歲DDH患兒每一年齡組CFNA與BFNA均無(wú)統(tǒng)計(jì)學(xué)顯著性差異。②1～8歲DDH患兒脫位側(cè)髖關(guān)節(jié)CFNA經(jīng)歷了由小變大而后又小幅下降的病理變化過(guò)程。③單側(cè)DDH患兒脫位側(cè)與未脫位側(cè)CFNA有統(tǒng)計(jì)學(xué)顯著性差異（t=3.161, P=0.003＜0.05），脫位側(cè)CFNA平均值較未脫位側(cè)CFNA平均值大3.98°，雙側(cè)CFNA值均大于正常且存在直線相關(guān)關(guān)系（t=0.354, P=0.021＜0.05）。結(jié)論：320排CT容積成像結(jié)合軟骨視窗技術(shù)測(cè)量DDH患兒FNA更符合定義，結(jié)果準(zhǔn)確可信，尤其適用于1～5歲及股骨髁骨骺存在骨化變異的DDH患兒，對(duì)FNA的病理變化研究及臨床DDH患兒的診斷及治療有重要意義。
[Abstract]:Objective: to evaluate the clinical application of 320 slice CT volume imaging combined with cartilage window technique in the measurement of developmental Dislocation of the hip dislocation in children with femoral neck anteversion FNA.Methods: 114 cases of children aged 1 to 8 years with DDH 320 were collected. Slice volume CT scan, All hip joints were divided into 1-8 years old group according to the age of one year. Measurement of osteogenic femoral neck anteversion (Bony Femoral neck anteversion1) and chondrogenic femoral neck anteversion (Cartilaginous Femoral neck anteversion1) of each hip joint using conventional 3D CT measurement and 320 slice CT volume imaging combined with cartilage window technique were compared between the two age groups. Methods of measurement. 2 the difference between the CFNA values of the dislocation side of hip joint and the age relation. 3. 3. The difference of CFNA between the dislocation side and the non-dislocation side of the patients with unilateral DDH was compared. Results CFNA and BFNA were found in each age group of DDH children aged 115 years. The difference between CFNA and BFNA in children aged 6 to 8 years old with DDH is not statistically significant. CFNA of dislocation side hip joint in DDH children aged 21 ~ 8 years has experienced from small to large. There were significant differences in CFNA between the dislocation side and the non-dislocation side in the pathological changes with slight decrease. 3 significant difference was found in the CFNA of the dislocation side and the non-dislocation side. The average value of CFNA in the dislocation side was 3.98 擄higher than that in the undislocated side, and the bilateral CFNA value was higher than that in the normal side and there was a straight line. The correlation was 0.354, P < 0.021 < 0.050.Conclusion the measurement of FNA in children with DDH by using CT volume imaging combined with chondrocyte window technique is more suitable for definition. The results were accurate and reliable, especially for children with DDH aged 1 to 5 years old and femoral condyle epiphysis. It is of great significance for the study of pathological changes of FNA and the diagnosis and treatment of clinical DDH children.
【學(xué)位授予單位】：山東中醫(yī)藥大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2012
【分類號(hào)】：R816.8

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