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4th Ventricle - Springer Nature

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Last Updated: 02 July 2022

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Intra-operative neurophysiological mapping to identify distorted functional anatomy of the 4th ventricle in a 5-month-old infant

Background Neurophysiological brainstem mapping methods aid in the intra-operative localization of cranial nerve nuclei in a world of fractured anatomy. Case report A 5-month-old boy was diagnosed with a cystic brainstem lesion that was located dorsally within the pons and upper medulla. Direct stimulation was used to identify an area in the fourth ventricle's floor that elicits no cranial nerve responses, which allows safe entry into the tumor cavity and biopsy. Conclusions The use of brainstem mapping techniques for determining a distorted midline on the floor of an infant's 4th ventricle is presented in this paper, as shown by reproducible recordings of intra-operative TcMEPs, SSEPs, and BAEPs.

Source link: https://doi.org/10.1007/s00381-021-05356-9


Imaging characteristics of 4th ventricle subependymoma

We'll look at the medical and radiological characteristics of 29 patients with 4th ventricle subependymoma. Methods This is a retrospective multi-center review conducted after Institutional Review Board approval of a report. Patients with suspected 4th ventricle subependymoma were identified. A study of clinical, radiology, and pathology studies was published alongside magnetic resonance imaging images. Subependymoma was discovered by his dermatological evidence during surgery. Median tumor volume for the surgical cohort was 9. 87 cm/3, while the non-operative cohort saw 0. 96 cm3. Thirteen patients in the surgical group had symptoms of diagnosis. Foramen of Magendie or Luschka were demonstrated in fourteen cases, with tumor expansion extending into foramen of Magendie or Luschka. Conclusion This is the most comprehensive collection of 4th ventricular subependymomas with imaging findings that have been reported to date, to the best of our knowledge. Tumors in this cohort were found in both the bottom of the body of the 4th ventricle and the obex.

Source link: https://doi.org/10.1007/s00234-022-02944-7

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions