Intraosseous schwannoma of mandibular symphysis: case report

Lacerda, Suzie Aparecida de; Brentegani, Luiz Guilherme; Vespúcio, Marcelo Vinícius Oliveira; Salata, Luiz Antônio

doi:10.1590/s0103-64402006000300015

Cited by 28 publications

(18 citation statements)

References 10 publications

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“…Microscopically spindle-shaped cells in Antoni A and Antoni B arrangement interspersed with hyalinized Verocay bodies are characteristic features. [11] Similar histopathological features were noticed in our case. Surgical treatment was carried out in our patient, which is the most widely used method to prevent recurrence.…”

Section: Discussionsupporting

confidence: 87%

A case of a massive mandibular schwannoma

Shetty

Rao

Chatra

et al. 2011

Journal of Neurosciences in Rural Practice

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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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Section: Discussionsupporting

confidence: 87%

A case of a massive mandibular schwannoma

Shetty

Rao

Chatra

et al. 2011

Journal of Neurosciences in Rural Practice

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“…In a review made by Leu and Chang [5], out but if the nerve of origin is visualized, an attempt should be made to separate it carefully, to preserve its function. As the recurrence [11] and malignant transformation of neurilemmoma are exceedingly rare, the prognosis is usually very good.…”

Section: Discussionmentioning

confidence: 99%

Intra-Oral Schwannoma- A Case Report

Parhar

Singh

Nayyar

et al. 2014

JCDR

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“…While it has been suggested that intraosseous schwannomas arising in the mandible are associated with the inferior alveolar nerve, Martins et al 10) and de Lacerda et al 3) have also reported them originating in the dental root and alveolar bone of the mandibular symphysis. Schwannomas are often slow-growing and develop without symptoms.…”

Section: Discussionmentioning

confidence: 99%

Intraosseous Schwannoma Originating in Inferior Alveolar Nerve: A Case Report

Suga

Ogane

Muramatsu

et al. 2013

Bull. Tokyo Dent. Coll.

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Schwannomas (neurilemmomas) are benign neoplasms derived from Schwann cells of the neurilemma and appear most frequently on the auditory nerve or peripheral nerves of the skin. They arise in the oral and maxillofacial region infrequently, and very rarely in the center of the jaw. We herein present a case of a rare mandibular intraosseous schwannoma derived from the main trunk of the inferior alveolar nerve in a 33-year-old man. Fusiform expansion in the mandibular canal was observed and a mass showing the target sign in the mandibular canal was confirmed on T2-weighted and Gd contrastenhanced T1-weighted MRI. Based on these findings, an inferior alveolar nerve-derived schwannoma or other benign nervous system neoplasm was diagnosed. A buccal side cortical bone flap in the mandibular molar region was removed to expose the mass, which was then peeled away from the nerve fibers and completely removed. Some inferior alveolar nerve fibers that were connected to the mass were removed at the same time, but the remaining nerve fiber bundle was preserved. Histopathology confirmed the diagnosis of a schwannoma with Antoni type A and Antoni type B regions. Although the patient experienced extremely mild paresthesia in the skin over the mental region and mental foramen at immediately after surgery, this had almost entirely disappeared at 7 years and 4 months later, and there has been no tumor recurrence.

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Intraosseous schwannoma of mandibular symphysis: case report

Cited by 28 publications

References 10 publications

A case of a massive mandibular schwannoma

A case of a massive mandibular schwannoma

Intra-Oral Schwannoma- A Case Report

Intraosseous Schwannoma Originating in Inferior Alveolar Nerve: A Case Report

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