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Schwannoma with secondary erosion of mandible: case report with a review of the literature

M Baranovi¹, D Macan^2,*, EA Begovi¹, I Luki³, D Brajdi² and S Manojlovi⁴

¹ Department of Oral and Maxillofacial Surgery, University Hospital Dubrava, Avenue G. Suska 6, 10000 Zagreb, Croatia; ² Department of Oral and Maxillofacial Surgery, University Hospital Dubrava, School of Dental Medicine, University of Zagreb, Avenue G. Suska 6, 10000 Zagreb, Croatia; ³ Department of Oral and Maxillofacial Surgery, University Hospital Dubrava, School of Medicine, University of Zagreb, Avenue G. Suska 6, 10000 Zagreb, Croatia; ⁴ Department of Pathology, University Hospital Dubrava, School of Medicine, University of Zagreb, Avenue G. Suska 6, 10000 Zagreb, Croatia

*Correspondence to: Darko Macan, DMD,Email: darkom{at}kbd.hr

Received 21 July 2005; revised 20 December 2005; accepted 1 February 2006

Schwannoma (neurilemmoma) is a common, histologically distinctive, benign, usually encapsulated, peripheral nerve tumour of Schwann cell origin. We report a case of schwannoma arising from soft tissue near the mandible. A 53-year-old female presented at our department with painless swelling of lingual mucosa of the mandible. The first molar was extracted 20 months before. Panoramic radiograph showed a suspected residual cyst. It was impossible to determine prior to surgery whether this was a peripheral nerve sheath tumour. The lesion was completely removed; the tumour appears to have originated in soft tissue and caused secondary erosion of the mandible.

Keywords: schwannoma; neurilemmoma; mandible; bone; erosion