發(fā)布時(shí)間：2018-04-01 02:13

  本文選題：胸腰椎　切入點(diǎn)：脊神經(jīng)根　出處：《天津醫(yī)科大學(xué)》2006年碩士論文

【摘要】：胸腰脊神經(jīng)根自硬膜囊離開后,直至從椎間管外口穿出,均經(jīng)過一條較窄的骨纖維性管道,此通道分為兩段,第一段為神經(jīng)根管,即從硬膜囊穿出點(diǎn)至椎間管內(nèi)口,第二段為椎間管,即從椎間管內(nèi)口至椎間管外口。胸腰脊神經(jīng)根受擠壓是引起上下運(yùn)動(dòng)神經(jīng)元癥狀及感覺異常的常見病因之一,其受擠壓部位和原因很多,現(xiàn)對脊神經(jīng)根走行過程中脊神經(jīng)節(jié)、神經(jīng)鞘的有關(guān)結(jié)構(gòu)進(jìn)行解剖學(xué)和影像學(xué)觀察和測量,以期為臨床診治胸腰段神經(jīng)根病提供客觀依據(jù)。 第一部分 胸腰段脊神經(jīng)根走行及其相關(guān)韌帶結(jié)構(gòu)的MRI研究 目的: 通過對四具尸體胸腰段脊柱脊髓的MRI薄層掃描研究,觀察測量脊神經(jīng)根及其根鞘走行過程中長度、橫徑及傾斜度等內(nèi)容,并明確各結(jié)構(gòu)在常規(guī)和斜位(與神經(jīng)根走行平行或垂直)MR成像上的正�；虍惓１憩F(xiàn),為研究腰腿疼痛等疾病與胸腰神經(jīng)根鞘的關(guān)系提供解剖學(xué)依據(jù)。 材料與方法: 選用4具尸體、1例正常男性和1例正常女性活體胸腰節(jié)段脊髓及脊神經(jīng)根分別進(jìn)行水平橫軸位、冠狀位、矢狀位和與椎間管平行或垂直位TWI掃描。觀察脊神經(jīng)根自硬膜囊腋部發(fā)出后至椎間管外口之間一段的解剖關(guān)系,測量脊神經(jīng)根鞘全長,脊神經(jīng)節(jié)內(nèi)段長度、節(jié)段長度、節(jié)內(nèi)段橫徑、脊神經(jīng)節(jié)近端、遠(yuǎn)端和中央最膨大處的直徑以及根鞘與硬膜囊的夾角(銳角)。 結(jié)果: 1.從T_(11)～T_(12)脊神經(jīng)根鞘的長度和橫徑穩(wěn)定在一水平上,變化趨勢不大,脊神
[Abstract]:After the thoracolumbar spinal nerve root left from the dural sac, it passed through a narrow fibrous osseous canal from the epidural sac to the intervertebral canal, the first segment being the nerve root canal, that is, from the point of dural sac to the intervertebral canal, the first segment was the nerve root canal, that is, from the puncture point of the dural sac to the intervertebral canal orifice.The second stage is intervertebral canal, that is, from intervertebral canal to intervertebral canal.Compression of thoracolumbar spinal nerve roots is one of the common causes of symptoms and sensory abnormalities of upper and lower motor neurons.The related structures of nerve sheath were observed and measured by anatomy and imaging in order to provide objective basis for clinical diagnosis and treatment of thoracolumbar radiculopathy.Part I: MRI study on the structure of thoracic and lumbar spinal nerve root and its associated ligamentsObjective:The length, transverse diameter and inclination of spinal nerve root and root sheath were measured by MRI thin slice scanning of thoracolumbar spine and spinal cord in four cadavers.The normal or abnormal manifestations of the structures on conventional and oblique (parallel or vertical) Mr imaging with nerve roots were determined, which provided anatomic basis for the study of the relationship between the pain of waist and leg and the sheath of thoracolumbar nerve root.Materials and methods:The thoracolumbar spinal cord and spinal nerve root of 4 cadavers and 1 normal male and 1 female were examined in horizontal axial, coronal, sagittal and parallel or perpendicular to intervertebral canal respectively.The anatomical relationship of spinal nerve root from axillary region of dural sac to the orifice of intervertebral canal was observed. The length of the sheath of spinal nerve root, the length of internal segment of spinal ganglion, the length of segment, the transverse diameter of inner segment and the proximal end of spinal ganglion were measured.The diameters of the most distally and central distally inflated areas and the angle between the root sheath and the dural sac.Results:1.(1) the length and transverse diameter of the root sheath of the spinal nerve are stable at a certain level, and the trend of change is not obvious.
【學(xué)位授予單位】：天津醫(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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