天堂国产午夜亚洲专区-少妇人妻综合久久蜜臀-国产成人户外露出视频在线-国产91传媒一区二区三区

磁共振擴(kuò)散加權(quán)成像鑒別良惡性厚壁型膽囊病變

發(fā)布時(shí)間:2018-02-28 20:05

  本文關(guān)鍵詞: 膽囊 擴(kuò)散加權(quán)成像 原發(fā)腫瘤 膽囊炎 出處:《臨床放射學(xué)雜志》2017年10期  論文類型:期刊論文


【摘要】:目的評(píng)價(jià)磁共振擴(kuò)散加權(quán)成像(DWI)對(duì)于良惡性厚壁型膽囊病變的鑒別診斷價(jià)值。方法本研究包含了2007年11月到2014年5月在本院收治的79例良性病變[其中慢性膽囊炎25例,急性膽囊炎45例和黃色肉芽腫性膽囊炎(XGC)9例]和14例膽囊癌共93例厚壁型膽囊病變,將其按照DWI上分層表現(xiàn)、病灶形態(tài)以及是否擴(kuò)散受限分成3種類型。由兩名不知道病理結(jié)果的觀察者在PACS工作站進(jìn)行觀察分析記錄各自的分型結(jié)果,如有不一致時(shí)經(jīng)協(xié)商獲得一致同意。分型結(jié)果運(yùn)用Fisher確切概率法進(jìn)行統(tǒng)計(jì)學(xué)分析,多組間的兩兩比較采用Bonferroni校正,P0.05認(rèn)為有統(tǒng)計(jì)學(xué)意義;對(duì)于良惡性病變對(duì)應(yīng)DWI分型結(jié)果計(jì)算其敏感性、特異性、陽(yáng)性預(yù)測(cè)值和陰性預(yù)測(cè)值。結(jié)果 93例厚壁型膽囊病變中,Ⅰ型51例,其中膽囊癌3例(5.9%),慢性膽囊炎19例(37.3%),急性膽囊炎26例(51.0%),XGC 3例(5.9%);Ⅱ型17例,其中膽囊癌0例(0.0%),慢性膽囊炎3例(17.6%),急性膽囊炎12例(70.6%),XGC 2例(11.8%);Ⅲ型25例,其中膽囊癌11例(44.0%),3例(12.0%)為慢性膽囊炎,7例(28.0%)為急性膽囊炎,4例(16.0%)為XGC。經(jīng)Fisher精確檢驗(yàn)DWI分型與疾病構(gòu)成比差別有統(tǒng)計(jì)學(xué)意義(P=0.000),經(jīng)Bonferroni校正發(fā)現(xiàn)對(duì)于Ⅲ型表現(xiàn),膽囊癌與慢性膽囊炎、急性膽囊炎之間差異均有顯著性,膽囊癌與XGC之間無(wú)顯著性差異;如將Ⅲ型表現(xiàn)認(rèn)為是膽囊癌,其敏感性、特異性、陽(yáng)性預(yù)測(cè)值和陰性預(yù)測(cè)值分別為78.6%、82.3%、44.0%和95.6%。對(duì)于慢性膽囊炎、急性化膿性膽囊炎和慢性膽囊炎急性發(fā)作亞組病例,慢性膽囊炎以Ⅰ型表現(xiàn)為主,急性化膿性膽囊炎以Ⅱ型+Ⅲ型表現(xiàn)為主,其差異具有顯著性(P=0.0032)。結(jié)論 DWI分型結(jié)合常規(guī)MRI序列有助于良惡性厚壁型膽囊病變的鑒別,膽囊壁擴(kuò)散受限一定程度反映了急性膽囊炎病變的嚴(yán)重性,并有助于鑒別急性化膿性膽囊炎和慢性膽囊炎,而對(duì)鑒別厚壁型膽囊癌與XGC幫助不大。
[Abstract]:Objective to evaluate the value of diffusion-weighted Mr imaging (DWI) in the differential diagnosis of benign and malignant thick-walled cholecystopathy. Methods from November 2007 to May 2014, 79 cases of benign lesions [including 25 cases of chronic cholecystitis] were studied. In 45 cases of acute cholecystitis and 9 cases of xanthogranulomatous cholecystitis (XGC) and 14 cases of gallbladder carcinoma, 93 cases of thick-walled cholecystitis were performed according to DWI stratification. The morphology of the lesion and whether the diffusion was limited were divided into three types. Two observers who did not know the pathological results were observed and analyzed on the PACS workstation to record their classification results. If there is inconsistency, consensus is obtained through negotiation. The results of classification are statistically analyzed by Fisher exact probability method, and the comparison between groups is considered statistically significant by Bonferroni correction (P0.05). The sensitivity, specificity, positive predictive value and negative predictive value were calculated for benign and malignant lesions corresponding to DWI classification. Among them, gallbladder carcinoma in 3 cases, chronic cholecystitis in 19 cases, chronic cholecystitis in 19 cases, acute cholecystitis in 26 cases, acute cholecystitis in 26 cases, acute cholecystitis in 26 cases, XGC in 3 cases, type 鈪,

本文編號(hào):1548749

資料下載
論文發(fā)表

本文鏈接:http://sikaile.net/yixuelunwen/xiaohjib/1548749.html


Copyright(c)文論論文網(wǎng)All Rights Reserved | 網(wǎng)站地圖 |

版權(quán)申明:資料由用戶bebb6***提供,本站僅收錄摘要或目錄,作者需要?jiǎng)h除請(qǐng)E-mail郵箱bigeng88@qq.com
国产免费一区二区三区不卡| 日韩人妻一区中文字幕| 亚洲国产av在线观看一区| 殴美女美女大码性淫生活在线播放| 欧美自拍偷自拍亚洲精品| 欧美日韩一区二区午夜| 亚洲中文字幕有码在线观看| 不卡一区二区高清视频| 欧美日韩精品久久第一页| 免费国产成人性生活生活片| 日韩不卡一区二区三区色图| 成人区人妻精品一区二区三区| 国产在线一区中文字幕| 老司机精品视频免费入口| 精品人妻一区二区三区免费看| 国产不卡最新在线视频| 日本一区二区三区黄色| 亚洲男女性生活免费视频| 国内女人精品一区二区三区| 丰满人妻熟妇乱又乱精品古代| 国产成人亚洲综合色就色| 欧美偷拍一区二区三区四区| 亚洲第一视频少妇人妻系列| 国产白丝粉嫩av在线免费观看| 国产成人国产精品国产三级| 国产日韩欧美一区二区| 久热久热精品视频在线观看| 国产视频一区二区三区四区| 黑丝袜美女老师的小逼逼| 日本不卡在线视频你懂的| 色婷婷视频国产一区视频| 日韩成人中文字幕在线一区| 亚洲一区二区精品免费视频| 欧美丰满大屁股一区二区三区| 国产大屁股喷水在线观看视频| 欧美加勒比一区二区三区| 日本精品啪啪一区二区三区| 日本特黄特色大片免费观看| 欧美欧美欧美欧美一区| 国产精品福利一级久久| 夫妻性生活动态图视频|