Journal of neurosurgery. Case lessons · 2022
Embolization of a third ventricular choroid plexus papilloma: illustrative case.
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Xu Jordan C, Suzuki Shuichi, Chrislip Jennifer, Nael Ali, Loudon William G
Аннотация
BACKGROUND: Choroid plexus tumors are rare neoplasms that are typically found in the lateral ventricles. They have infrequently been reported in the third ventricle, and treatment strategies have varied.
OBSERVATIONS: The authors described a 6-month-old patient who presented with irritability and hypotonia. The patient was found to have a large tumor in the third ventricle with obstructive hydrocephalus. Preoperative angiography revealed a feeding artery from the right medial posterior choroidal artery (MPChA). The feeding artery was effectively embolized, and the patient subsequently received open resection of the tumor. Pathology revealed features consistent with atypical choroid plexus papilloma (CPP).
LESSONS: Choroid plexus tumors are often hypervascular, which can often make gross total resection (GTR) difficult. Preoperative angiography of tumors identifies feeding vessels, and embolization has the potential to decrease perioperative blood loss and allow for a higher GTR rate. Third ventricular CPPs appear to invariably receive vascular supply from the MPChA, arising from the right posterior cerebral artery. Embolization followed by resection of a choroid plexus tumor in the third ventricle is an effective treatment strategy.
OBSERVATIONS: The authors described a 6-month-old patient who presented with irritability and hypotonia. The patient was found to have a large tumor in the third ventricle with obstructive hydrocephalus. Preoperative angiography revealed a feeding artery from the right medial posterior choroidal artery (MPChA). The feeding artery was effectively embolized, and the patient subsequently received open resection of the tumor. Pathology revealed features consistent with atypical choroid plexus papilloma (CPP).
LESSONS: Choroid plexus tumors are often hypervascular, which can often make gross total resection (GTR) difficult. Preoperative angiography of tumors identifies feeding vessels, and embolization has the potential to decrease perioperative blood loss and allow for a higher GTR rate. Third ventricular CPPs appear to invariably receive vascular supply from the MPChA, arising from the right posterior cerebral artery. Embolization followed by resection of a choroid plexus tumor in the third ventricle is an effective treatment strategy.