• Dragan Janković, Adi Ahmetspahić, Bruno Splavski, Leon Schmidt, Krešimir Rotim, Sanja Tomasović, and Kenan Arnautović.
• Department of Neurosurgery, University Medical Center of Johannes Gutenberg University of Mainz, Mainz, Germany.
• Acta Clin Croat. 2023 Nov 1; 62 (3): 502509502-509.

AbstractIn contrast to tumors in children, between 6% and 20% of all brain tumors in adults arise solitary in the posterior cranial fossa. Given their rarity in adults, as well as the importance and complexity of their treatment, this paper reviews and discusses the clinical and surgical characteristics of such tumors. In a retrospective single-institution observational study, adult patients with posterior fossa tumors treated surgically over a ten-year period were analyzed. The characteristics observed were age and gender distribution, clinical symptoms, histopathologic tumor type, tumor size, location and extent of surgical resection, tumor recurrence and postoperative complications, as well as surgical outcome. Sixty-six patients who underwent surgical treatment were diagnosed with a tumor in the posterior fossa. The mean age was 63 years, and patients were evenly distributed by gender. The most common histopathologic type was metastatic tumor (59.1%), whereas meningioma was the most common primary brain tumor (16.6%) recorded. Most patients presented with vegetative and cerebellar symptoms in general and cranial nerve palsy, especially in the occurrence of vestibular schwannoma. In conclusion, posterior fossa tumors grow in a confined space and therefore may directly threaten vital centers in their immediate vicinity. Thus, it is crucial to schedule an appropriate surgical intervention as soon as possible, as it can significantly improve treatment outcome and prognosis of the disease. If possible, meticulous total tumor resection should be the treatment of choice. In the case of hydrocephalus, a ventriculoperitoneal shunt should be considered as an alternative surgical option after tumor resection.Sestre Milosrdnice University Hospital.

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