The authors report a new case of choroid plexus papilloma. Hydrocephalus produced by this tumour has special features. Diagnosis is made by CAT scan. Despite surgery and the begnignity of such tumours, prognosis is generally poor. In the reported case two radiological pictures over a 5 year period did not any increasing of the size of the tumour.
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Medicina (Kaunas)
December 2024
Department of General and Clinical Pathology, Medical University of Plovdiv, 4002 Plovdiv, Bulgaria.
This case presents an unusual combination between an intraventricular meningioma and a choroid plexus papilloma. Intraventricular meningiomas are rare intraventricular tumors presenting with symptoms of hydrocephalus, headache, and neurological deficits. The rarity of choroid plexus papillomas is highlighted in medical diagnostics, with the majority of these findings being incidental within the setting of obstructive hydrocephalus.
View Article and Find Full Text PDFMol Cell Endocrinol
February 2025
Amsterdam Institute for Life and Environment (A-Life), Vrije Universiteit Amsterdam (VU), De Boeleni 1085, 1081, HV Amsterdam, the Netherlands.
Adequate levels of thyroid hormones (THs) in the fetal brain are vital for early neurodevelopment. Most of the TH in fetal brain is derived from circulating thyroxine (T4), which gets locally converted into the biologically active triiodothyronine (T3) by deiodinase enzymes. One of the major routes of TH into the brain is through the blood-cerebrospinal fluid barrier (BCSFB).
View Article and Find Full Text PDFAm J Case Rep
December 2024
Department of Ultrasound, Shenzhen Children' s Hospital, Shenzhen, Guangdong, China.
BACKGROUND Choroid plexus tumors (CPTs) are rare brain tumors that originate from the choroid plexus epithelium and range from low-grade papillomas to overtly malignant carcinomas, and can occur in newborns. According to the World Health Organization's histological classification, atypical choroid plexus papilloma (aCPP) is an intermediate-grade (Grade II) lesion characterized by an increased mitotic rate. It is difficult to distinguish CPTs on imaging during the early stages.
View Article and Find Full Text PDFMedicine (Baltimore)
September 2024
Department of Imaging, Asgarieh Hospital, Isfahan, Iran.
Background: Considering the invasiveness of the biopsy method, we attempted to evaluate the ability of the gamma distribution model using magnetic resonance imaging images to stage and grade benign and malignant brain tumors.
Methods: A total of 42 patients with malignant brain tumors (including glioma, lymphoma, and choroid plexus papilloma) and 24 patients with benign brain tumors (meningioma) underwent diffusion-weighted imaging using five b-values ranging from 0 to 2000 s/mm2 with a 1.5 T scanner.
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