A nation-wide cancer registry-based study of adenosquamous carcinoma in Taiwan

Yuan Tzu Lan, Kuo Hung Huang, Chien An Liu, Ling Chen Tai, Ming Huang Chen, Yee Chao, Anna Fen Yau Li, Shih Hwa Chiou, Yi Ming Shyr, Chew Wun Wu, Wen Liang Fang*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


Background Adenosqamous carcinoma (ASC) is a rare disease involving various organs, yet there are no large-scale population-based comparative studies on ASC among different organs. Methods The incidence and overall survival of ASC among various organs in cases diagnosed in Taiwan from January 1, 2003 to December 31, 2010 were calculated and compared using data from the Taiwan Cancer Registry (TCR). The various organs were classified and divided into three different systems: the female reproductive, respiratory, and alimentary systems. Survival analysis were also compared among 30,850 patients diagnosed as ASC, adenocarcinoma (AC) or squamous cell carcinoma (SCC) in organs with frequent ASC. Results During the study period, a total of 576 ASC cases were diagnosed in Taiwan. The most common primary system was respiratory (73.8%), followed by alimentary (16.2%) and female reproductive (10%). The overall survival were significantly higher for cases involving the female reproductive system, followed by the respiratory and alimentary systems (P = 0.016). The median overall survival were worse in males than females for cases involving the respiratory system (22.4 vs. 31.8 months, P = 0.044). Multivariate analysis showed that age蠇65, more advanced T and N categories were independent unfavorable prognostic factors of overall survival in ASC. ASC histology is an independent unfavorable prognostic factor compared with AC and SCC. Conclusions ASC at an old age and more advanced T and N categories were found to be associated with a poor prognosis.

Original languageEnglish
Article numbere0139748
JournalPLoS ONE
Issue number10
StatePublished - 7 Oct 2015


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