[Leiomyosarcoma of the paranasal sinuses--evaluation of authors' own cases and literature review].
D006801:Humans; D007890:Leiomyosarcoma / Q000473:pathology*; D008297:Male; D008854:Microscopy, Electron; D008875:Middle Aged; D010255:Paranasal Sinus Neoplasms / Q000473:pathology*