Unilateral dilatation of the lateral ventricle is a rare condition. The most common causes are tumors of the lateral ventricles or in the area of the third ventricle, acute or chronic inflammatory gliosis, cysticercosis or congenital atresia of the foramen of Monro. We report a case of asymmetrical dilatation of the lateral ventricle in an adult patient presenting with a raised intracranial pressure syndrome caused by narrowing of the foramen of Monro which was occluded by a thin membrane. The patient underwent successful endoscopic fenestration of the Foramen of Monro.
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http://dx.doi.org/10.1016/s1130-1473(01)70668-9 | DOI Listing |
Acta Neurochir (Wien)
January 2025
Department of Neurosurgery and Neurooncology, Medical University of Lodz, Barlicki University Hospital, Lodz, Poland.
Background: The internal venous system of the brain is a crucial anatomical landmark during accesses to the third ventricle through the foramen of Monro. Many classifications based on radiological assessment of the system have been developed, but they tend to be descriptive and do not highlight favorable anatomical variants. The aim of our study was to create a system based on morphometric measurements to facilitate preoperative decision-making regarding access to third ventricle tumors.
View Article and Find Full Text PDFInt Cancer Conf J
January 2025
Department of Radiodiagnosis, Geetanjali Medical College & Hospital, Udaipur, India.
Ganglioneuroblastoma (GNB) is a rare tumour of neuroectodermal origin consisting of a varying proportion of neuroblasts and ganglion cells. GNB arises from sympathoadrenal tissue usually affecting young children. Very few cases of brain GNB have been reported in the literature.
View Article and Find Full Text PDFJ Neurosurg Case Lessons
December 2024
Department of Neurosurgery, University Medicine Greifswald, Greifswald, Germany.
Background: Colloid cysts (CCs) are benign lesions commonly located in the third ventricle, near the foramen of Monro. They constitute about 0.5%-1% of all intracranial tumors.
View Article and Find Full Text PDFWorld Neurosurg
December 2024
Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, China. Electronic address:
Background: Ventriculoperitoneal (VP) shunt surgery is the primary treatment for patients with idiopathic normal pressure hydrocephalus (iNPH). This study compared the outcomes of VP shunt placement using electromagnetic (EM) navigation versus standard methods in patients with iNPH, focusing on catheter accuracy and postoperative complication rates.
Methods: This retrospective study included 31 patients with iNPH who underwent standard shunt placement using anatomical landmarks and 50 patients who underwent EM-guided shunt placement.
Neuropathology
November 2024
Department of Diagnostics and Public Health, University of Verona, Verona, Italy.
Subependymal giant cell astrocytoma (SEGA) is a rare, low-grade glioma typically associated with tuberous sclerosis (TS) and mutations in the TSC1 or TSC2 genes. It is characterized by an intraventricular location, an expansive growth pattern, and the expression of glial and neural markers. TTF-1 expression is considered a sensitive marker of SEGA, likely reflecting its origin from progenitor cells in the caudothalamic groove.
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