Angiofibroma of the ethmoidal sinus in a female.
D005005:Ethmoid Sinus / Q000473:pathology*; D005260:Female; D018219:Histiocytoma, Benign Fibrous / Q000473:pathology*; D006801:Humans; D008875:Middle Aged; D010255:Paranasal Sinus Neoplasms / Q000473:pathology*