1. Tumors of the nervous system;Barnes,1985
2. Diseases of the nose, paranasal sinuses, and nasopharynx;Barnes,1985
3. Skull base;Curtin,1996
4. CT of perineural tumor extension: Pterygopalatine fossa;Curtin;AJNR Am J Neuroradiol,1984
5. Hypointense MR signal in chronically inspissated sinonasal secretions;Dillon;Radiology,1990