Juvenile fibroma of antral origin.
D000293:Adolescent; D001706:Biopsy; D018219:Histiocytoma, Benign Fibrous; D006801:Humans; D008297:Male; D008443:Maxillary Sinus / Q000000981:diagnostic imaging / Q000601:surgery; D010255:Paranasal Sinus Neoplasms; D011859:Radiography