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Gigantic retroperitoneal pararenal ancient schwannoma masquerading as a mesenchymal malignancy: A diagnostic conundrum.
Urol Case Rep
January 2025
Department of Pathology, Vardhman Mahavir Medical College And Safdarjung Hospital, New Delhi, 110029, India.
Ancient schwannoma is a rare benign variant of schwannoma with marked degenerative changes, often mimicking malignancies, particularly when retroperitoneal and pararenal. A 34-year-old woman presented with a rapidly growing 15 cm retroperitoneal pararenal mass. Imaging suggested an aggressive malignancy.
View Article and Find Full Text PDFComparison of 1D and 3D volume measurement techniques in NF2-associated vestibular schwannoma monitoring.
Sci Rep
January 2025
Department of Neurosurgery, University Hospital Tübingen, Tübingen, Germany.
To compare 1D (linear) tumor volume calculations and classification systems with 3D-segmented volumetric analysis (SVA), focusing specifically on their effectiveness in the evaluation and management of NF2-associated vestibular schwannomas (VS). VS were clinically followed every 6 months with cranial, thin-sliced (< 3 mm) MRI. We retrospectively reviewed and used T1-weighted post-contrast enhanced (gadolinium) images for both SVA and linear measurements.
View Article and Find Full Text PDFA Rare Case of Perineurioma of the Posterior Interosseous Nerve: A Case Report.
Cureus
December 2024
General Surgery, All India Institute of Medical Sciences, Guwahati, Guwahati, IND.
The perineurioma (PN) is a benign neoplasm with perineural origin. It can be of two types, i.e.
View Article and Find Full Text PDFCharacterization of jugular bulb position on computed tomography (CT) with implications for excision of vestibular schwannomas.
Neurosurg Rev
January 2025
Department of Neurological Sciences, Christian Medical College Vellore- Ranipet Campus Vellore, Vellore, Tamil Nadu, 632517, India.
To describe the distribution of jugular bulb position and pneumatization of posterior lip of internal auditory meatus (IAM) in patients with vestibular schwannoma (VS). This retrospective study included 43 patients who had a thin slice (< 2 mm) CT temporal bone for preoperative planning of retrosigmoid approach for excision of VS between March 2011 and March 2021. On computed tomography (CT), high riding jugular bulb was defined by its relationship to IAM and correlated with type of jugular bulb according to Manjila et al.
View Article and Find Full Text PDFPeripheral nerve sheath tumors in the head and neck in patients with APC gene deletion mutations: a case report and scoping review of the literature.
Clin Exp Pediatr
January 2025
Nationwide Children's Hospital, Columbus, United States.
Adenomatous Polyposis Coli (APC) is a tumor suppressor gene expressed throughout the body. APC mutations increase the risk of malignancy and are often characterized by syndromes that encompass a spectrum of neoplastic manifestations, such as familial adenomatous polyposis (FAP). We present a rare case of palatal peripheral nerve sheath tumor in the context of APC gene mutation.
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