Mohammad ali Damghani - Associate Professor of Otolaryngology ENT Department of Kerman University School of Medicine Shafa hospital
Tooraj Reza Mirshekari - Pathologist of Shafa Hospital Kerman University School of Medicine
Samira Rezaei - Resident of ENT Department Kerman University School of Medicine

Giant cell tumor (GCT) is a benign primary bone neoplasm that usually occurre in the long bones. The skull is affected in only ۱% of cases, predominantly in the sphenoid and temporal bones. Maxillary sinus involvement is exceedingly rare. The case is a ۲۶ year-old man presented with history of gradually increasing swelling in the right side of face without any history of trauma or systemic disorders. Based on history, clinical examination and paraclinical finding biopsy was done and pathology report was giant cell lesion.

Giant cell tumor, Bone neoplasm, Maxillary sinus