D001706:Biopsy / Q000379:methods; D002426:Cavernous Sinus / Q000473:pathology / Q000601:surgery; D003388:Cranial Fossa, Posterior / Q000473:pathology / Q000601:surgery; D004724:Endoscopy; D005005:Ethmoid Sinus / Q000473:pathology / Q000601:surgery; D005626:Frontal Sinus / Q000473:pathology / Q000601:surgery; D006801:Humans; D008443:Maxillary Sinus / Q000473:pathology / Q000601:surgery; D010255:Paranasal Sinus Neoplasms / Q000473:pathology / Q000601:surgery; D056739:Pterygopalatine Fossa / Q000473:pathology / Q000601:surgery; D019291:Skull Base / Q000473:pathology / Q000601:surgery*; D019292:Skull Base Neoplasms / Q000473:pathology / Q000601:surgery*; D013101:Sphenoid Sinus / Q000473:pathology / Q000601:surgery