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Paediatric primary intraosseous meningioma of the calvarium.
BMJ Case Rep
January 2025
Radiodiagnosis, AIIMS Nagpur, Nagpur, Maharashtra, India.
A boy in his middle childhood presented with a gradually enlarging, mildly tender swelling in the left frontal region, noticed after minor trauma. Skull radiograph and non-enhanced CT revealed a diffuse sclerotic lesion involving the left frontal bone and overlying subcutaneous soft tissue, suggestive of an intraosseous haemangioma. Contrast-enhanced MRI showed an expansile, hypointense lesion in the frontal bone on the left side with enhancing extraosseous components and a small extra-axial cyst.
View Article and Find Full Text PDFThe Intraosseous Subarcuate Loop of Anterior Inferior Cerebellar Artery: Anatomic Management Guide, Single-Center MRI Study, and Scoping Review.
Oper Neurosurg (Hagerstown)
December 2024
Department of Neurologic Surgery, Mayo Clinic, Rochester, Minnesota, USA.
Background And Objectives: The intraosseous subarcuate loop (SL) is a unique variant of the anterior inferior cerebellar artery (AICA), where a loop of the artery is trapped in the petrous bone's subarcuate fossa (SF). Recognizing this variant is crucial for planning cerebellopontine angle (CPA) surgeries; however, data regarding its frequency and management vary in the published literature. A cohort from a single center was studied using MRI to assess its prevalence, and the findings were compared with the existing literature.
View Article and Find Full Text PDFA gigantic intraosseous and dural-based calvarial metastatic follicular thyroid carcinoma: illustrative case.
J Neurosurg Case Lessons
December 2024
Department of Neurological Surgery, University of California, San Francisco, San Francisco, California.
Background: Metastatic follicular thyroid carcinoma to the central nervous system (CNS), including the skull and dura, is exceedingly rare.
Observations: The authors present the case of a gigantic, intraosseous, dural-based follicular thyroid carcinoma, highlighting the operative strategy for this mass. They also provide a literature review of CNS metastases of differentiated thyroid carcinoma.
Primary intraosseous meningioma: a case of early symptomatic calvarial origin meningioma.
J Surg Case Rep
October 2024
Department of Pathology and Laboratory Medicine, Roswell Park Comprehensive Cancer Center, Elm and Carlton St. Buffalo, NY 14263, USA.
Primary intraosseous meningiomas are rare extradural tumors. They are typically slow-growing, painless, and asymptomatic until they cause a mass effect. We report a case of a calvarial primary intraosseous meningioma, which became symptomatic despite a very small size.
View Article and Find Full Text PDFTortuous occipital emissary vein combined with dural venous sinus stenosis in contrast-enhanced MRV for evaluation of idiopathic intracranial hypertension.
Jpn J Radiol
October 2024
Department of Radiology, Koç University Hospital, Topkapı, Davutpaşa Caddesi, 34010, Istanbul, Turkey.
Purpose: Venous outflow impediment is increasingly recognized in idiopathic intracranial hypertension (IIH). We aim to search for the value of tortuous occipital emissary vein (OEV) in IIH by integrating measurable transverse sinus (TS) stenosis in contrast-enhanced MR venography (CE-MRV).
Methods: Twenty-one IIH patients were evaluated with CE-MRV.
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