The sphenoid sinus: an unusual presentation of a typical carcinoid tumor

Sung-Lyong Hong1, Sung Dong Kim, Hwan-Jung Roh

  • 1From the *Department of Otorhinolaryngology and Biomedical Research Institute, Pusan National University Hospital, Busan; and †Department of Otorhinolaryngology, Pusan National University Yangsan Hospital, Yangsan, South Korea.