intraosseous neurilemmoma of the mandible: report of a rare ancient type
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abstract
the neurilemmoma is a benign neoplasm of schwann cell origin. one of the histopathologic subtypes of this tumor is ancient schwannoma which is characterized by degenerative alterations including cystic change, calcification, hemorrhage, and hyalinization. intraosseous schwannomas especially ancient ones are rare tumors. here we present a case of intraosseous ancient schwannoma in the lower jaw of an 11-year-old girl which caused a non-tender expansion. radiographic examination showed a well-circumscribed, unilocular radiolucent lesion with thin sclerotic borders in the mandibular body and the ramus. histopathologic examination of the incisional biopsy showed areas of typical antoni a with verocay bodies and antoni b that was strongly suggestive of a schwannoma. complete excision of the lesion was done under general anesthesia. the histopathologic examination confirmed the primary diagnosis and also degenerative changes such as hyalinization and calcification. based on these findings, the diagnosis of ancient schwannoma was made. no recurrence was observed in the follow-up examination after 3 months.
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full textIntraosseous Ancient Schwannoma of the Mandible: A Case Report
Schwannoma(neurilemmoma) is a benign tumor originates from Schwann cells. Ancient (degenerated) schwannoma is a long-standing schwannoma with degenerative changes. Head and neck region is one of the most common sites for nerve sheath tumors but intraosseous schwannoma is rare. The mandible is the most common site of occurrence for this lesion. We report a rare case of intraosseous ancient sc...
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full textIntraosseous neurilemmoma of the mandible.
We report a rare case of intraosseous neurilemmoma of the mandible, with an emphasis on radiographic findings. The tumor, located mainly in the premolar region, presented as an expansive, unilocular, well-defined, radiolucent lesion on plain radiography. No dilatation of the mandibular canal was identified. MR imaging helped to identify the solid nature of the tumor. A biopsy was necessary to m...
full textintraosseous ancient schwannoma of the mandible: a case report
schwannoma(neurilemmoma) is a benign tumor originates from schwann cells. ancient (degenerated) schwannoma is a long-standing schwannoma with degenerative changes. head and neck region is one of the most common sites for nerve sheath tumors but intraosseous schwannoma is rare. the mandible is the most common site of occurrence for this lesion. we report a rare case of intraosseous ancient schwa...
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Journal title:
dental research journalجلد ۸، شماره ۳، صفحات ۰-۰
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