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AIM: Osteochondroma is a benign neoplasia that in the craniofacial district unfrequently can occur in the coronoid processand in the zygomatic arch. We describe a rare case of isolated osteochondroma of the zygomatic bone, undergoing sur-gical treatment by means of intraoral approach and endoscopic assistance.
MATERIAL OF STUDY: A Caucasian woman aged fifty-two, has been observed in our Department on March 2012 becauseof pain in the right zygomatic area. Computed tomography (CT) scans of the right zygomatic bone showed an unde-fined, sessile lesion with lobar bounds (Fig. 2). Suspected diagnosis was osteochondroma. Surgery was planned via intra-oral approach under general narcosis. The procedure was endoscope-assisted. The lesion was removed by using an endo-scopic rotating cutter.
RESULTS: No edema, pain or fever occurred during the immediate recovery period. The patient has been followed up for16 months and she is still actually lesion and symptoms free.
DISCUSSION: The use of endoscopy in the surgical treatment of this pathology has allowed to obtain a higher accuracyand a greater respect of the anatomic structures
CONCLUSIONS: In literature are not reported other cases of isolated zygomatic osteochondroma treated with endoscopic-assisted procedures. Intraoral approach grants no scarring; endoscopic aid gives a better view of all anatomical structuresof this district, a good management of the pathology and minimize the risk of pathological fractures during intraopera-tive procedures.