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1.
Article in English | MEDLINE | ID: mdl-38967447

ABSTRACT

One of the key concepts behind minimally invasive keyhole cranial surgery is that as the operative corridor deepens, it also widens. The corridor should therefore be designed parallel to the long-axis of the tumor to optimize visualization.1 These ideas were applied in a duo-keyhole operation for a falcine meningioma. The patient is a 79-year-old woman diagnosed with a large falcine meningioma compressing both frontal lobes. Her tumor was oriented with the long-axis, perpendicular to the superior sagittal sinus, and has bulbous extensions on both sides of the falx. Incisions on the falx, anterior and posterior to the tumor, in addition to a cut between it and the undersurface of the superior sagittal sinus, would render it practically devascularized and "free-floating.2" One keyhole was insufficient, but one anterior and another posterior to the tumor would make the falcine cuts feasible. The operation was performed with the above scheme and the posterior keyhole to the left and anterior one to the right of midline to facilitate surface vascular detachment on both sides. The patient recovered well and was discharged home after 4 days. This procedure highlights that flexible application of the principles of minimally invasive keyhole. Neurosurgery can tailor-make an operation to precisely fit the unique features of a patient and the tumor. The procedure was performed under the ethical guidelines of our hospital. No Institutional Review Board consent was required or sought because the patient gave specific consent to the procedure and publication of her image.

2.
Neurosurgery ; 90(5): e112-e115, 2022 05 01.
Article in English | MEDLINE | ID: mdl-35426875

ABSTRACT

BACKGROUND: The Institute of Medicine best practice recommendation to review guidelines every 5 years is followed by the Congress of Neurological Surgeons Guidelines Committee. The aim of this work was to provide an updated literature review and evidence-based recommendations on the topic of diagnosis and treatment of patients with progressive glioblastoma (pGBM). OBJECTIVE: To review the literature published since the last guidelines on pGBM dated 2014, with literature search ending in June 2012. METHODS: PubMed, Embase, and Cochrane were searched for the period July 1, 2012, to March 31, 2019, using search terms and search strategies to identify pertinent abstracts. These were then screened using published exclusion/inclusion criteria to identify full-text review articles. Evidence tables were constructed using data derived from full-text reviews and recommendations made from the evidence derived. RESULTS: From the total 8786 abstracts identified by the search, 237 full-text articles met inclusion/exclusion criteria and were included in this update. Two new level II recommendations derived from this work. For the diagnosis of patients with GBM, the use of diffusion-weighted images is recommended to be included in the magnetic resonance images with and without contrast used for surveillance to detect pGBM. For the treatment of patients with pGBM, repeat cytoreductive surgery is recommended to improve overall survival. An additional 21 level III recommendations were provided. CONCLUSION: Recent published literature provides new recommendations for the diagnosis and treatment of pGBM. The Central Nervous System Guidelines Committee will continue to pursue timely updates to further improve the care of patients with diagnosis.https://www.cns.org/guidelines/browse-guidelines-detail/guidelines-management-of-progressive-glioblastoma.


Subject(s)
Glioblastoma , Neurosurgeons , Adult , Humans , Glioblastoma/diagnosis , Glioblastoma/therapy
3.
J Neurooncol ; 158(2): 167-177, 2022 Jun.
Article in English | MEDLINE | ID: mdl-35246769

ABSTRACT

QUESTION: In patients with previously diagnosed glioblastoma who are suspected of experiencing progression, does repeat cytoreductive surgery improve progression free survival or overall survival compared to alternative interventions? TARGET POPULATION: These recommendations apply to adults with previously diagnosed glioblastoma who are suspected of experiencing progression of the neoplastic process and are amenable to surgical resection. RECOMMENDATION: Level II: Repeat cytoreductive surgery is recommended in progressive glioblastoma patients to improve overall survival.


Subject(s)
Brain Neoplasms , Glioblastoma , Adult , Humans , Brain Neoplasms/diagnosis , Brain Neoplasms/surgery , Cytoreduction Surgical Procedures , Glioblastoma/surgery , Neurosurgeons , Practice Guidelines as Topic
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