An unusual presentation of aneurysmal bone cyst of the maxillary sinus in a child: A rare case report

Aneurysmal bone cyst(ABC) is a rare vascular tumor arising usually from long bone and vertebrae,very rarely involves the skull and facial bone. Here, we present a case of a 9-year-old child presented with progressive proptosis and strabismus of the left eye associated with nasal obstruction and epistaxis. Computed tomography was done which gave us an insight into the possibilities of ABC, giant cell tumor, adenomatoid odontogenic tumor, etc., Biopsy was taken for histopathological confirmation. Usually, ABC of the maxillary sinus presents with pain, cheek swelling, and nasal obstruction. Our patient presented with ocular findings which are rare among maxillary bone ABCs.