趙祖來,徐志勇,周玉末,鮮明
輸卵管積液的CT及MRI影像學(xué)診斷價(jià)值研究
趙祖來,徐志勇*,周玉末,鮮明
目的對輸卵管積液者應(yīng)用CT和MRI影像學(xué)診斷的價(jià)值進(jìn)行研究。材料與方法回顧性分析2013年8月至2016年8月本院診治的輸卵管積液64例患者臨床資料,按照隨機(jī)方法和臨床所用不同影像學(xué)診斷技術(shù)分成對照組及觀察組,各為32例,前者用CT技術(shù)診斷,對后者用MRI技術(shù)診斷,觀察及對比兩組影像學(xué)表現(xiàn)和漏診、準(zhǔn)確概率。結(jié)果CT診斷32例患者均是囊性腫塊,其中22例(68.75%)邊界清晰,雙側(cè)腫塊4例(12.50%),位于左、右側(cè)附件區(qū)分別為15例(46.88%)、13例(40.63%);MRI診斷腫塊邊緣較光整,外形呈S或C形臘腸樣;觀察組診斷漏診概率均比對照組低,且診斷準(zhǔn)確概率(96.88%)比對照組(78.13%)高(P<0.05)。結(jié)論輸卵管積液借助MRI影像學(xué)診斷價(jià)值高,能夠獲得清晰影像學(xué)資料,減少漏診發(fā)生,提高疾病診斷準(zhǔn)確概率,且于實(shí)際操作中可將兩種技術(shù)聯(lián)合使用,以發(fā)揮各自優(yōu)勢。
輸卵管積液;磁共振成像;體層攝影術(shù),X線計(jì)算機(jī)
趙祖來, 徐志勇, 周玉末, 等. 輸卵管積液的CT及MRI影像學(xué)診斷價(jià)值研究.磁共振成像, 2017, 8(1): 42-44.
輸卵管炎作為育齡期女性一種常見炎性類病變,分為急性和慢性,若炎癥未及時(shí)治療,將使傘端出現(xiàn)粘連閉鎖,致使液體積聚在管腔內(nèi),最終導(dǎo)致輸卵管積液[1-3]。輸卵管積液好發(fā)于40歲左右人群,臨床癥狀主要表現(xiàn)為下腹痛、發(fā)熱等,易導(dǎo)致月經(jīng)不調(diào)和不孕等,臨床最常用檢查技術(shù)為X線造影,但診斷價(jià)值不高[4]。筆者分析CT和MRI對輸卵管積液的診斷價(jià)值,從而為臨床采取相應(yīng)防治措施提供參考。
1.1 一般性資料
搜集2013年8月至2016年8月本院診治的輸卵管積液64例患者臨床資料,均符合輸卵管積液相關(guān)診斷標(biāo)準(zhǔn)[5]。按照 臨 床 所 用 不 同 影 像 學(xué) 診 斷技術(shù)分成對照組(CT診斷)及觀察組(MRI診斷),對照組32例,年齡30~52歲,平均(40.12±1.08)歲,病程1~38個(gè)月,平均(17.30±2.23)個(gè)月,其中10例未婚,22例已婚;觀察組32例,年齡30~53歲,平均(40.14±1.09)歲,病程1~37個(gè)月,平均(17.28±2.21)個(gè)月,其中11例未婚,21例已婚;兩組年齡、病程及結(jié)婚狀況等資料對比均無統(tǒng)計(jì)學(xué)意義(P>0.05)。納入標(biāo)準(zhǔn):(1)通過臨床病理證實(shí);(2)臨床主要表現(xiàn)為下腹部疼痛及伴體溫升高。排除標(biāo)準(zhǔn):(1)患嚴(yán)重腎、肝、心等疾??;(2)存在精神障礙。觀察及比較CT、MRI兩組影像學(xué)表現(xiàn),對比兩組診斷漏診、準(zhǔn)確概率情況。本研究提交的方案均通過醫(yī)學(xué)倫理委員會(huì)批準(zhǔn),參與研究的人員均簽署知情同意書。
1.2 檢查方法
采用德國西門子公司Definition AS 64排螺旋CT機(jī),全面掃描方式,掃描參數(shù):0.625螺距,5 mm層厚,電壓、電流水平分別為120 kV、250 mA,常規(guī)性螺旋掃描盆腔范圍,且將重建層厚控制為1.25 mm,待平掃完成之后,以3 ml/s流速靜脈滴注100 ml優(yōu)維顯(Bayer Schering Pharma AG,H20030506,100 ml/30 g)。采用美國GE公司生產(chǎn)的Discovery 750 W 3.0 T型MRI機(jī),采取全面掃描方式,將層厚設(shè)置為5 mm,1 mm層距,進(jìn)行軸面與矢狀面掃描,且予快速自旋回波和T1WI序列增強(qiáng)掃描,增強(qiáng)掃描時(shí)對比劑用0.10 mmol/kg釓噴替酸葡甲胺(規(guī)格20 ml/0.50 mol/L)。
表1 兩組診斷漏診及準(zhǔn)確情況對比Tab. 1 Comparison of Missed Diagnosis or Misdiagnosis, and Accuracy between the two groups
圖1 CT示右側(cè)輸卵管積液 圖2 MRI示內(nèi)側(cè)囊壁細(xì)條形低信號影、右側(cè)輸卵管積液 圖3 增強(qiáng)MRI示輸卵管囊壁和間隔強(qiáng)化Fig. 1 CT: Right fallopian hydrosalpinx. Fig. 2 MRI: Thin strip low signal image of interior cyst wall, right fallopian hydrosalpinx. Fig. 3 MRI enhanced scan: Oviduct cyst wall and septal enhancement.
1.3 統(tǒng)計(jì)學(xué)應(yīng)用
采用SPSS 22.0統(tǒng)計(jì)學(xué)軟件進(jìn)行分析,兩組正態(tài)計(jì)數(shù)資料利用例數(shù)形式表示,計(jì)數(shù)資料組間率對比用χ2檢驗(yàn),P<0.05為差異具有統(tǒng)計(jì)學(xué)意義。
2.1 CT診斷組影像學(xué)表現(xiàn)
32例患者均是囊性腫塊,其中22例(68.75%)邊界清晰,雙側(cè)腫塊4例(12.50%),位于左、右側(cè)附件區(qū)分別為15 (46.88%)例、13例(40.63%);大部分腫塊內(nèi)側(cè)能夠看見鳥嘴型指向患者子宮底外側(cè)(78.13%,25/32)(圖1)。
2.2 MRI診斷組影像學(xué)表現(xiàn)
32例中,右側(cè)囊性腫塊有12例(37.50%),雙側(cè)均有3例(9.38%),腫塊位于左側(cè)附件區(qū)17例(53.13%);所有腫塊的邊緣均較光整;外形呈S或C形臘腸樣,借助子宮肌層作為等信號的參照,顯示囊液呈T2WI高信號與T1WI低信號(圖2),且增強(qiáng)掃描后,輸卵管囊壁和間隔出現(xiàn)強(qiáng)化(圖3)。
2.3 兩組診斷漏診及準(zhǔn)確情況比較
觀察組診斷漏診或誤診概率較對照組低,且診斷準(zhǔn)確概率較對照組高,比較差異顯著,具統(tǒng)計(jì)學(xué)意義(P<0.05;表1)。
作為婦科一種常見疾病的輸卵管積液,既可單獨(dú)發(fā)病,亦可作為其他病癥的合并表現(xiàn);此類疾病致病原因包括輸卵管妊娠、輸卵管腫瘤、子宮內(nèi)膜異位癥、慢性盆腔炎等,其中慢性盆腔炎屬于此類疾病常見病因[6-7]。輸卵管積液為導(dǎo)致不孕的一種主要原因,臨床需積極實(shí)施有效診療手段,促進(jìn)患者生活質(zhì)量提高[8-9]。超聲為輸卵管積液首選影像診斷方法,能夠?qū)⒆訉m和附件顯示,但對伴其他附件病變或者不典型積液者較難診斷;伴隨臨床診斷技術(shù)不斷發(fā)展,CT和MRI影像學(xué)技術(shù)得到臨床廣泛應(yīng)用,具有較高診斷價(jià)值[10-11]。
MRI影像診斷技術(shù)具多平面成像和軟組織的分辨率高等特點(diǎn),能夠更好顯示機(jī)體管狀結(jié)構(gòu),對卵巢辨認(rèn)和輸卵管積血、積液鑒別診斷價(jià)值高;MRI多參數(shù)、多角度成像,可充分顯示輸卵積液的具體形態(tài),能夠更全面了解患者輸卵管的積液狀態(tài),從而減少漏診發(fā)生,促進(jìn)疾病診斷準(zhǔn)確概率提高,有利于及時(shí)制定有效治療措施[12-14]。其中,CT影像學(xué)特征表現(xiàn)在子宮一側(cè)或者兩者蓮藕型和臘腸樣低密度,不僅可提供更多影像類證據(jù),而且能夠直觀且清晰地對患者機(jī)體輸卵管及盆腔內(nèi)具體狀況加以了解。相關(guān)臨床研究文獻(xiàn)發(fā)現(xiàn),相比CT診斷技術(shù)MRI更加能夠獲得清晰影像學(xué)資料,提高疾病診斷準(zhǔn)確概率,而實(shí)際操作中需合理利用,根據(jù)患者具體病情于臨床實(shí)際診斷中結(jié)合兩種診斷技術(shù),從而發(fā)揮各自優(yōu)勢,為臨床疾病治療提供重要參考。
本研究通過分析兩組具體影像學(xué)表現(xiàn)情況,結(jié)果顯示:CT診斷邊界清晰者所占比例為68.75%,大部分腫塊內(nèi)側(cè)可見鳥嘴型指向患者子宮底外側(cè),MRI診斷所有腫塊的邊緣均較光整,且增強(qiáng)掃描后強(qiáng)化輸卵管囊壁和間隔,信號強(qiáng),與Mainka等[15]的報(bào)道相似,提示:輸卵管積液借助CT或MRI影像學(xué)診斷均具有較高價(jià)值,空間分辨率高。為深入了解CT和MRI技術(shù)診斷對疾病確診情況的影響,本研究對比分析兩組診斷漏診概率及準(zhǔn)確概率,顯示:觀察組診斷漏診概率3.12%較對照組低,診斷準(zhǔn)確概率96.88%較對照組高,說明輸卵管積液借助MRI影像學(xué)診斷價(jià)值較高,有利于減少漏診發(fā)生,促進(jìn)疾病診斷準(zhǔn)確概率提高,從而為臨床盡早實(shí)施相應(yīng)防治措施提供借鑒。基于受樣本例數(shù)、外部環(huán)境、時(shí)間等因素制約,本研究關(guān)于輸卵管積液借助MRI影像學(xué)診斷且積極采取有效治療措施后對患者預(yù)后改善的影響,需增加樣本量等予以深入研究及補(bǔ)充。
輸卵管積液借助MRI影像學(xué)診斷的價(jià)值較CT高,可減少漏診發(fā)生,提高疾病診斷準(zhǔn)確概率,具一定臨床推廣及研究價(jià)值。此外,在實(shí)際操作中按照患者具體情況可將兩種技術(shù)聯(lián)合使用,以便發(fā)揮各自優(yōu)勢。
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Value of CT and MRI imaging in the diagnosis of hydrosalpinx
ZHAO Zu-lai, XU Zhi-yong*, ZHOU Yu-mo, XIAN Ming
Department of Radiology, Huanggang Hospital of Traditional Chinese Medicine, Hubei, Huanggang 438000, China
*Correspondence to: Xu ZY, E-mail: 657862000@qq.com
Received 20 Oct 2016, Accepted 10 Dec 2016
Objective:To study the diagnostic value of CT and MRI for hydrosalpinx.Materials and Methods:The clinical data of 64 patients diagnosed with hydrosalpinx in our hospital between August 2013 and August 2016 were analyzed, and were divided into a control group and an observation group according to the different imaging techniques applied, with 32 cases in each group. The control group was diagnosed by CT, and the observation group by MRI. The specific diagnostic values in the two groups were observed and compared.Results:All the 32 cases were confirmed with cystic masses by CT diagnosis, among which 22 (68.75%) were with clear boundary masses and 4 with bilateral masses (12.50%), with 15 cases (46.88%) with masses in the left adnexa and 13 (40.63%) in the right adnexa, MRI diagnosis showed that, the edge of the masses was smooth, S-shaped or C shaped like sausage. The proportion of missed diagnosis and misdiagnosis in the observation group was 3.12%, lower than the 21.88% in the control group, and diagnosis accuracy was 96.88%, higher than the 78.13% in the control group (P<0.05).Conclusions:For the diagnosis of hydrosalpinx, MRI is with higher diagnostic value, which can obtain clear imaging data, reduce misdiagnosis or missed diagnosis, and improve the diagnosis accuracy, therefore, it is of significant value to be popularized in clinical application. Besides, in actual practice, CT and MRI could be combined together to play their respective advantages.
Hydrosalpinx; Magnetic resonance imaging; Tomography, X-ray computed
湖北省黃岡市中醫(yī)醫(yī)院放射科,黃岡438000
徐志勇,E-mail:657862000@qq.com
2016-10-20接受日期:2016-12-10
R445.2;R711.76
A
10.12015/issn.1674-8034.2017.01.010