Sinonasal undifferentiated carcinoma and nasopharyngeal-type undifferentiated carcinoma: two clinically, biologically, and histopathologically distinct entities.

@article{Jeng2002SinonasalUC,
  title={Sinonasal undifferentiated carcinoma and nasopharyngeal-type undifferentiated carcinoma: two clinically, biologically, and histopathologically distinct entities.},
  author={Yung-Ming Jeng and M Sung and Chia-Lang Fang and H. Lisa Huang and T S Mao and Wei Cheng and C. -W. Hsiao},
  journal={The American journal of surgical pathology},
  year={2002},
  volume={26 3},
  pages={371-6}
}
Sinonasal undifferentiated carcinoma (SNUC) is a rare aggressive neoplasm arising in the nasal cavity and paranasal sinuses. Primary sinonasal nasopharyngeal-type undifferentiated carcinoma (PSNPC) is an even rarer tumor that has not been adequately reported. Both tumors have been reported to be associated with Epstein-Barr virus (EBV). We studied the clinicopathologic features and EBV status of 36 SNUC and 13 PSNPC patients from Taiwan, an EBV endemic area. The median age of SNUC patients was… CONTINUE READING