{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T04:03:11Z","timestamp":1787025791651,"version":"build-2736575974"},"reference-count":40,"publisher":"Journal of Neurosurgery Publishing Group (JNSPG)","issue":"3","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[1996,3]]},"abstract":"<jats:p content-type=\"fine-print\">\u2713 Twenty-five meningiomas located at the tentorial notch were surgically treated between 1978 and 1993 at the Neurosurgical Department of Nordstadt Hospital in Hannover, Germany. Nineteen meningiomas were classified as originating from the lateral tentorial incisura (Group I) and six were from the posteromedial tentorial incisura (Group II). Clinically, the most common symptom was trigeminal neuralgia, followed by headache. Neuroradiologically, 64% of the meningiomas were larger than 30 \u00d7 30 mm. Further evaluation revealed signs of brainstem compression in 88% of the patients. Radical surgical removal (Simpson I and II) was achieved in 88% of the cases. There was no mortality. Follow up revealed that 80% of patients were able to return to their premorbid activity. Surgical approaches to the tentorial notch included the suboccipital retrosigmoidal or the combined subtemporal\u2014presigmoidal approach for Group I tentorial notch meningiomas; and the supracerebellar\u2014infratentorial or the suboccipital\u2014transtentorial approaches for Group II meningiomas. Because the best surgical approach to the tentorial incisura is still a matter of debate, the anatomy of the tentorial incisura, the clinical presentation of the patients, diagnostic indications, surgical findings, and follow up are discussed, with reference to the literature.<\/jats:p>","DOI":"10.3171\/jns.1996.84.3.0375","type":"journal-article","created":{"date-parts":[[2009,6,8]],"date-time":"2009-06-08T19:42:43Z","timestamp":1244490163000},"page":"375-381","source":"Crossref","is-referenced-by-count":61,"title":["Meningiomas of the tentorial notch: surgical anatomy and management"],"prefix":"10.3171","volume":"84","author":[{"given":"Madjid","family":"Samii","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gustavo 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