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Chinese Journal of Brain Diseases and Rehabilitation(Electronic Edition) ›› 2021, Vol. 11 ›› Issue (02): 92-96. doi: 10.3877/cma.j.issn.2095-123X.2021.02.006

• Clinical Research • Previous Articles     Next Articles

Microsurgery of trigonal meningioma of the lateral ventricle through parietooccipital cortex approach

Jianhao Lin1, Yehai Li1, Jing Ye1, Fobao Huang1, Guilu He1, Qiao Li1, Liang Zhang1,()   

  1. 1. The First Department of Neurosurgery, Guangdong 999 Brain Hospital, Guangzhou 510510, China
  • Received:2021-01-31 Online:2021-04-15 Published:2021-07-20
  • Contact: Liang Zhang

Abstract:

Objective

To investigate the surgical method, effect and complications of surgical resection of trigonal meningiomas through parietooccipital cortex approach.

Methods

The clinical data and 26 patients with lateral ventricle trigona meningiomas who underwent surgery through parietooccipital cortex approach from March 2017 to September 2020 were retrospectively analyzed. The extent of surgical resection, pathological results, postoperative complications, Karnofsky score and recurrence were observed.

Results

Meningiomas were completely resected in all patients, and there was no death (1 patient gave up treatment after surgery). Postoperative pathological exams were confirmed as meningioma, among them, WHO Ⅰ in 19 cases, WHO Ⅱ in 7 cases (6 cases with atypical meningioma, 1 case with Chordoid meningioma). Postoperatively, 10 patients developed new visual defects, no patient developed cortical blindness, 6 patients developed isolated temporal horn (1 with an ostomy, 3 with a ventriculoperitoneal shunt, and 2 with spontaneous remission), 1 patient developed epidural hematoma, and 2 patients experienced transient muscle strength loss. All tumors achieved gross total resection. Patients with WHO Ⅱ were routinely treated with radiotherapy, and 2 of them with recurrence by following up 3 years.

Conclusion

Appropriate surgical approach, adequate preoperative and intraoperative preparation, and rich surgical experience and skills can effectively reduce complications in the operation of lateral ventricle trigonum meningioma.

Key words: Meningioma, Trigone of lateral ventricle, Parietooccipital cortex approach

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