Cancer of unknown primary origin: a decade of experience in a community-based hospital
The American Journal of Surgery(2007)
摘要
Background: Cancer of unknown primary (CUP) origin is a very aggressive disease with a poor prognosis. Most of the literature reports of CUP are generated from tertiary cancer centers. Methods: A retrospective chart review of all patients with a diagnosis of CUP was performed between January 1995 and January 2005. Age, gender, diagnostic evaluation, histologic diagnosis, location of metastases, treatment, and survival were recorded. Results: Ninety-one patients met the inclusion criteria. The pathologic diagnoses included adenocarcinoma (42.8%), undifferentiated carcinoma (34.5%), squarnous cell carcinoma (9.8%), neuroendocrine cancer (6.5%), sarcoma (3.2%), and nonspecific malignant neoplasm (3.2%). The overall mean survival was 9.2 months (95% confidence interval, 6.1-12.4 mo), and for squamous cell carcinoma was 26.9 months (standard error, 5.7; P =.007). Conclusions: CUP encompasses a variety of different pathologic entities with an overall dismal 5-year survival. Nonetheless, squarnous cell and neuroendocrine CUP are associated with a significantly better early prognosis than the other malignancies. (c) 2007 Excerpta Medica Inc. All rights reserved.
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关键词
Unknown primary cancer,Metastatic cancer,Prognosis,Survival
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