A 43-year-old man with a large ancient schwannoma of the pelvis, presenting with varicose veins, is reported. Ancient schwannoma (neurilemmoma) is a benign tumour of nerve sheath origin characterised histologically by features of severe degeneration and which rarely can grow to a large size. Malignant transformation, though reported, is extremely rare.
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http://dx.doi.org/10.1007/s002560000266 | DOI Listing |
Orphanet J Rare Dis
January 2025
Department of Neurosurgery, Helios Klinikum Erfurt, Erfurt, Germany.
Background: NF2-related schwannomatosis (NF2) is associated with various tumors of the central and peripheral nervous system. There is a wide range of disabilities these patients may suffer from and there is no validated clinical classification for disease severity. We propose a clinical classification consisting of three severity grades to assist in patient management.
View Article and Find Full Text PDFWorld J Surg Oncol
January 2025
Department of Hepatobiliary Surgery, Guangzhou Red Cross Hospital of Jinan University, Tongfu Roud 396, Guangzhou, 510220, Guangdong, China.
Schwannomas are tumors that originate from the glial cells of the nervous system and can occur on myelinated nerve fibers throughout the body, especially in the craniofacial region. However, pancreatic schwannomas are extremely rare. We report a case of a pancreatic schwannoma that was difficult to differentiate from other pancreatic tumors preoperatively.
View Article and Find Full Text PDFTuberk Toraks
December 2024
Clinic of Pulmonary Medicine, Liv Vadi İstanbul Hospital, İstanbul, Türkiye.
Tracheal schwannomas are exceedingly rare, accounting for a minute fraction of primary tracheal tumors. They are classified into intraluminal and mixed types, with treatment strategies varying significantly between these subtypes. While thorax tomography is usually sufficient to distinguish intraluminal and mixed type, endobronchial ultrasonography (EBUS) can also be used in cases where the distinction cannot be made clearly with tomography.
View Article and Find Full Text PDFJ Rhinol
November 2024
Department of Otorhinolaryngology-Head and Neck Surgery, Kyung Hee University Hospital at Gangdong, Kyung Hee University College of Medicine, Seoul, Republic of Korea.
Schwannomas are benign tumors that can develop in any part of a nerve containing Schwann cells. Skull base schwannomas are rare, representing approximately 4% of extracranial schwannomas. Among these, vidian nerve schwannomas are particularly uncommon, with only a few documented cases.
View Article and Find Full Text PDFJ Med Life
October 2024
Johns Hopkins Aramco Healthcare, Department of Pathology, Dhahran, Saudi Arabia.
Schwannomas are peripheral nerve sheath tumors that rarely arise from autonomic nerves of the pleural lining. Most often, they present as slow-growing tumors and are asymptomatic. Herein, we describe the case of an elderly male patient who presented with severe chest pain.
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