2D與3D MR快速自旋回波序列對膝關(guān)節(jié)交叉韌帶及半月板損傷的診斷價值比較
本文關(guān)鍵詞: 膝關(guān)節(jié) 韌帶 半月板 損傷 磁共振成像 出處:《放射學(xué)實踐》2017年01期 論文類型:期刊論文
【摘要】:目的:比較三維快速自旋回波(3DSPACE)序列與傳統(tǒng)二維快速自旋回波(2DPDWI)序列對膝關(guān)節(jié)交叉韌帶和半月板損傷的診斷價值。方法:75例膝外傷患者行常規(guī)3個平面2DFS PDWI序列及3DFS PD-SPACE序列檢查,檢查時間分別為9分48秒和6分6秒。由2位高年資醫(yī)師共同對2組圖像質(zhì)量進(jìn)行主觀評分,并在術(shù)前獨立對交叉韌帶和半月板的損傷情況進(jìn)行評價。結(jié)果:3DFS PD-SPACE序列組的主觀評分低于2DFS PDWI序列組(Z=-2.59,P0.05)。以關(guān)節(jié)鏡結(jié)果為"金標(biāo)準(zhǔn)",2DFS PDWI序列和3DFS PD-SPACE序列診斷前交叉韌帶、后交叉韌帶、內(nèi)側(cè)半月板和外側(cè)半月板損傷的敏感度、特異度和準(zhǔn)確度相近。判斷前交叉韌帶損傷程度方面,3DFS PD-SPACE序列與關(guān)節(jié)鏡的吻合度高于2DFS PDWI序列(P0.01)。結(jié)論:3DFS PD-SPACE序列檢查效率高,診斷膝關(guān)節(jié)交叉韌帶和半月板損傷的價值與常規(guī)2D序列相似,能更準(zhǔn)確地評估前交叉韌帶的損傷程度,具有潛在的臨床應(yīng)用價值;但需進(jìn)一步優(yōu)化技術(shù)以縮短單次成像時間,減少運動偽影干擾以獲得更高的圖像質(zhì)量。
[Abstract]:Objective: to compare 3D fast spin echo 3DS PACE sequence with 2D fast spin echo 2DPDWI). Methods 75 cases of knee trauma were examined by routine 2DFS PDWI sequence and 3DFS PD-SPACE sequence. The examination time was 9 minutes 48 seconds and 6 minutes 6 seconds respectively. The image quality of the two groups was evaluated by two senior doctors. The injury of cruciate ligament and meniscus was evaluated independently before operation. Results the subjective score of PD-SPACE group was lower than that of 2DFS PDWI sequence group (2 DFS PDWI sequence group). ZANG-2.59. According to the results of arthroscopy, the anterior cruciate ligament (ACL) and posterior cruciate ligament (ACL) were diagnosed by "Golden Standard" 2DFS PDWI sequence and 3DFS PD-SPACE sequence. The sensitivity, specificity and accuracy of medial meniscus and lateral meniscus injury were similar. The coincidence between 3DFS PD-SPACE sequence and arthroscopy was higher than that of 2DFS PDWI sequence (P 0.01). Conclusion the detection efficiency of 3DFS PD-SPACE sequence is higher than that of 2DFS PD-SPACE sequence. The diagnostic value of cruciate ligament and meniscus injury of knee joint is similar to that of conventional 2D sequence. It can more accurately evaluate the degree of anterior cruciate ligament injury and has potential clinical application value. However, further optimization techniques are needed to shorten the time of single imaging and reduce the interference of motion artifacts to achieve higher image quality.
【作者單位】: 佛山市中醫(yī)院MRI室;
【基金】:廣東省科技廳科技計劃項目(2014A020221096)
【分類號】:R686.5;R445.2
【正文快照】: 作者單位:528000廣東,佛山市中醫(yī)院MRI室MRI是診斷膝關(guān)節(jié)損傷的最佳無創(chuàng)性檢查方法,二維(2-diamension,2D)快速自旋回波序列是臨床常規(guī)應(yīng)用的傳統(tǒng)檢查方案,但存在一定的局限性:1對形態(tài)復(fù)雜或與標(biāo)準(zhǔn)解剖方位呈角度走行的結(jié)構(gòu)難以全程顯示;2層厚較厚,容易導(dǎo)致部分容積效應(yīng);33個
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