Endoscopic Assisted Caldwell-Luc Approach for Total Excision of an Extensive Aneurysmal Bony Cyst of the Maxillary Sinus.

Aneurysmal bone cysts (ABCs) are uncommon lesions in head and neck area that could be primary or secondary in origin. The main problem with the traditional curettage and debridement is the high rates of recurrence, and cosmetic disfigurement with the open approach. In this article, we describe the use of a combined endoscopic sinus surgery and endoscopic assisted Caldwell approach to achieve a complete surgical excision of left maxillary sinus ABC extending to the left infratemporal fossa, and to avoid facial disfigurement in a 13-year-old female patient presented to our hospital with diplopia, facial pain, and headache. The patient had uneventful post-operative recovery period with resolution of the presenting symptoms with no complications. Hence, we recommend this combined endoscopic surgical approach in such cases.