顱后窩遠(yuǎn)外側(cè)經(jīng)髁手術(shù)入路的顯微外科立體應(yīng)用解剖學(xué)研究
[Abstract]:The distal lateral transcondylar approach is also called the suboccipital far lateral approach, the outermost transoccipital condyle cervical nodular approach, the suboccipital posterolateral approach and so on. In recent years, it has been reported in the literature on far lateral transcondylar surgery of posterior fossa. For ventral and ventrolateral lesions of foramen macroforamen; lesions of middle inferior slope and ventral brainstem; tumors with epidural growth at the junction of skull and neck and ventral part of high cervical spinal cord; epidural tumors in middle inferior slope, occipital condyle and jugular foramen, including some rare cases; in addition, vertebral artery, vertebrobasilar artery, posterior inferior cerebellar artery aneurysm; Arteriovenous fistula and arteriovenous malformation in the ventral part of the craniocercocervical junction could not be treated effectively because of their complex anatomical relationship, important structure, deep position and difficult operation. The traditional oral pharynx approach is narrow (14cm), deep and long path (9~12cm). Cerebrospinal fluid leakage and infection are easy to occur after operation, and the midline approach of posterior fossa needs to affect the medulla oblongata and is easy to injure the vertebral artery, which is limited to a certain extent. However, the far lateral transcondylar approach, short path (4~5cm) and wide surgical field can control the vertebral artery in the early stage of the operation, and can bite off the skull and vertebrae according to the needs of the operation, and increase the ventral exposure of the cranio-cervical junction. In particular, endoscopic assistance further expanded the surgical field and improved the total resection rate of the tumor; it was easy to confirm and early control the vertebral artery, basilar artery and its branches to block the blood supply of the tumor; the interface between the tumor and the extension and cervical spinal cord, the relationship with the posterior intracranial nerve, vertebral artery and posterior inferior cerebellar artery could be seen from the coronal plane, and it was convenient to operate without pulling the important structures such as medulla oblongata and cervical spinal cord. During operation, the intracranial nerve can be directly treated and protected, the structure of nerve and blood vessel can be pulled to the minimum, and effective exposure and resection can be carried out. In order to further understand the important bone anatomical signs such as occipital condyle, mastoid and styloid, as well as the safety protection of vertebral artery, the relationship between intracranial nerve and blood vessel, blood supply and peripheral nerve innervation in the posterior group, the microsurgical anatomy of posterior fossa via condylar approach was studied, which provided more detailed anatomical data for clinical microneurosurgery. It is of great significance to improve the safety and therapeutic effect of distal lateral approach.
【學(xué)位授予單位】:中國(guó)醫(yī)科大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2005
【分類(lèi)號(hào)】:R651;R322
【共引文獻(xiàn)】
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