本文關(guān)鍵詞：人腦橋靜脈的顯微解剖學(xué)、影像學(xué)觀察及其相關(guān)性研究　出處：《安徽醫(yī)科大學(xué)》2006年碩士論文　論文類型：學(xué)位論文

  更多相關(guān)文章： 橋靜脈 硬腦膜竇 顯微解剖 數(shù)字減影血管造影 CT靜脈血管成像

【摘要】：目的 觀察人腦橋靜脈在顯微解剖、DSA和CTV影像圖的形態(tài)學(xué)特征，分析顯微解剖與影像觀察結(jié)果間的關(guān)聯(lián)，為顯微神經(jīng)外科手術(shù)入路方案的制定、腦靜脈系統(tǒng)疾病準(zhǔn)確及時的診斷和腦靜脈系統(tǒng)疾病發(fā)病機(jī)制的探討提供形態(tài)學(xué)依據(jù)。方法 ①將30例(60側(cè))成人腦標(biāo)本的橋靜脈分為上矢狀竇組、小腦幕上組、蝶骨組和顱后窩組4組進(jìn)行顯微解剖觀測；②對12例新鮮胎兒和幼兒的腦靜脈鑄型標(biāo)本進(jìn)行觀察；③分別選擇36例和15例經(jīng)臨床證實(shí)無腦靜脈血管病變或損傷病人的全腦血管數(shù)字減影血管造影(DSA)系列圖像的靜脈相和全腦血管CT靜脈造影(CTV)圖像，進(jìn)行分組觀測。結(jié)果 1、上矢狀竇組橋靜脈：①上矢狀竇前部有一缺乏橋靜脈注入段，顯微解剖、DSA和CTV觀測此段長度分別為49.16±20.34mm、48.2±18.4mm和57.5±16.2mm；此組橋靜脈分布于缺乏段的前方和后方，此段的后端可作為血管影像圖的冠狀縫標(biāo)志；②顯微解剖發(fā)現(xiàn)，，橋靜脈以單干直接或間接經(jīng)上矢狀竇旁硬腦膜竇注入上矢狀竇，此硬腦膜竇扁平，形狀不規(guī)則；上矢狀竇后段，橋靜脈常走行在外側(cè)陷窩的下方；DSA和CTV觀察發(fā)現(xiàn)，橋靜脈注入處常顯示不清；③96.4％的橋靜脈自后向前注入上矢狀竇；④DSA和CTV觀察橋靜脈靈敏度分別為79.5％和62.5％。2、小腦幕上組橋靜脈①分為橫竇組、小腦幕組、巖部組和橫竇上組4組；②橋靜脈注入處的形態(tài)分為單干型、多干型和燭臺型；③顯微解剖發(fā)現(xiàn)橋靜脈均來自顳枕葉的底面和外側(cè)面，DSA和CTV分別有34％和23％來自顳枕葉底面的橋靜脈；④DSA和CTV觀察橋靜脈靈敏度均為39.7％；⑤Labbé靜脈存在于所有60側(cè)大腦半球中，DSA和CTV分別有1側(cè)和2側(cè)半球的LV缺如；顯微解剖、DSA和CTV觀察分別有80.0％、73.5％和80.0％的LV屬于橫竇組。3、蝶骨組橋靜脈①大腦中淺靜脈(SMCV)表現(xiàn)為缺如、單干、雙干或三干，顯微解剖、DSA和CTV發(fā)現(xiàn)缺如的SMCV分別為1.7％、7.0％和30.0％；②顯微解剖觀察SMCV注入海綿竇、蝶頂竇、巖上竇、蝶巖竇和巖鱗竇，DSA注入海綿竇或蝶頂竇，蝶巖竇，CTV注入海綿竇、蝶頂竇、巖上竇、
[Abstract]:Objective to observe the morphologic features of cerebral bridging vein in microanatomical anatomy and CTV images, and to analyze the correlation between microanatomy and image observation results, so as to make the scheme of microsurgical approach. The accurate and timely diagnosis of cerebral venous diseases and the study of the pathogenesis of cerebral venous system diseases provided morphological basis. Methods 1 the pontine veins of 30 adult brain specimens were divided into superior sagittal sinus group. The microanatomy was observed in the supratentorial group, sphenoid bone group and posterior fossa group. (2) the cerebral vein cast specimens of 12 fresh fetuses and young children were observed. 3The venous phase and CT venography of all cerebral vessels in 36 patients and 15 patients with clinically proven anencephalic venous lesion or injury were selected respectively (. CTV) image. Results 1. In the superior sagittal sinus group, there was a lack of bridged vein injection in the anterior part of the superior sagittal sinus. The lengths of DSA and CTV were 49.16 鹵20.34mm and 57.5 鹵16.2 mm, respectively. The graft veins in this group were located in the front and rear of the absence segment, and the posterior end of the segment could be used as a coronal suture marker of the angiogram. 2Microanatomy showed that the superior sagittal sinus was injected directly or indirectly into the superior sagittal sinus through the superior sagittal sinus by a single trunk. The dural sinus was flat and irregular in shape. In the posterior segment of the superior sagittal sinus, the bridge vein often runs below the lateral lacuna; DSA and CTV observation showed that the location of bridge vein injection was often unclear. 396.4% of the bridging veins were injected forward into the superior sagittal sinus; 4the sensitivity of CTV and DSA were 79.5% and 62.5 respectively. The supratentorial pontine vein 1 was divided into 4 groups: transverse sinus group, tentorial cerebellar group, petrosal group and supratransverse sinus group. (2) the shape of the graft vein was divided into single trunk type, multiple trunk type and candlestick type. 3The results of microanatomy showed that 34% and 23% of the bridging veins came from the lower and lateral sides of the temporal and occipital lobes, respectively, and 34% and 23% from the bottom of the temporal and occipital lobe, respectively. 4the sensitivity of DSA and CTV in observing the bridging vein was 39.7; (5) in all the 60 cerebral hemispheres, the LV was absent in 1 and 2 hemispheres of CTV and DSA in all 60 cerebral hemispheres. 73.5% of LV and 80.0% of LV were found in transverse sinus group, and the sphenoid bone group showed the absence of SMCV-1 in the pontine vein 1, and the superficial cerebral vein in the sphenoid bone group (83.5% and 80.0%%, respectively). In single trunk, double trunk or third trunk, SMCV was found to be 1. 7% and 30. 0% in microanatomical dissection and CTV, respectively. (2) SMCV was injected into cavernous sinus, sphenoid parietal sinus, superior petrosal sinus, sphenolus sinus and petrosal sinus into cavernous sinus or sphenoid parietal sinus, and sphenoid sinus into cavernous sinus, sphenoid parietal sinus and superior petrosal sinus.
【學(xué)位授予單位】：安徽醫(yī)科大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2006
【分類號】：R322

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