Schwannoma, a benign nerve sheath tumor is relatively rare in occurrence and even rarer in sites, such as jaw bones. There are only 45 reported cases of intraosseous schwannoma of the jaws reported in the literature. We report a rare case of mandibular schwannoma in a 50-year-old Indian male. The clinical features resembled that of a residual cyst, fibro-osseous lesion or an odontogenic tumor/cyst. Radiological differential diagnoses of ameloblastoma or odontogenic keratocyst was made based on the findings of the orthopantomogram. The lesion was examined histopathologically and a final diagnosis of schwannoma arising from the inferior alveolar nerve was made. The aim of this report is to add information to the existing sparse literature on intraosseous schwannomas of the jaw.
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http://dx.doi.org/10.4103/0976-3147.80108 | DOI Listing |
Orthop Surg
December 2024
Department of Radiology, Beijing Jishuitan Hospital, Capital Medical University, Beijing, China.
Objectives: Benign and malignant intraosseous schwannomas are rare, and primarily documented in case reports. This study aims to elucidate the differences in clinical features and imaging manifestations between these tumors. This will help clinicians identify malignant lesions at an early stage, reliable guide treatment decisions, and accurately predict outcomes.
View Article and Find Full Text PDFSemin Musculoskelet Radiol
December 2024
Mallinckrodt Institute of Radiology, Washington University School of Medicine, St. Louis, Missouri.
Intraosseous schwannoma is a rare benign nerve sheath tumor comprising < 1% of bone tumors. Relatively common locations for this tumor include the skull and mandible, and, to a lesser degree, the spine and sacrum. Intraosseous schwannoma involving the appendicular skeleton is exceedingly rare.
View Article and Find Full Text PDFBMJ Case Rep
August 2024
Riphah International University, Islamabad, Pakistan.
Schwannomas are benign peripheral nerve sheath tumours with a low risk of malignant transformation. About 25%-40% are in the head and neck region with the posterior third of the tongue being a rather rare site of its growth, and a lesion at this site is understandably difficult to approach and treat. Being benign and encapsulated, surgical excision is in the mainstay of treatment.
View Article and Find Full Text PDFJ Surg Case Rep
August 2024
Plastic Surgery Department, Prince Sultan Medical City, Riyadh, Saudi Arabia.
A 40-year-old female presented with right mandibular swelling. A panoramic radiograph showed a unilocular radiolucency from the mandibular angle to tooth #46. Biopsy confirmed a schwannoma.
View Article and Find Full Text PDFIndian J Otolaryngol Head Neck Surg
August 2024
Dept of Dental Surgery, Chaudhary Charan Singh University, Meerut, India.
Schwannomas are benign peripheral nerve sheath neoplasms that grow slowly and arise from Schwann cells. Here we report a case of an intraosseous schwannoma, with recent updates of molecular characterization and immunohistochemical data, affecting the left mandibular ramus featuring multilocular well-defined radiolucency making it difficult to diagnose.
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