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- W2260897107 abstract "14142 Background: PDNEC-Small cell (OMS Clasification, grade III)of the GI tract are rare diseases. Small cel represent 0,1% to 1% of all GI malignancies, and are included in the group of PDNEC but: Do these group behave biologically and respond to treatment in the same way? Trying to elucidate this matter, we performed a retrospective analysis of our group of pts. with PDNEC. Methods: A database search was done. from 1997 to 2005 we found 31 pts. with PDNEC/Small cell from the GI Tract treated in our Centers. A review of the clinical records was performed with special interest in response rate and overall survival. interest. Results: 14 pts. were informed by the pathologist at diagnosis PDNEC and 17 pts. as small cell. Median age: 50 years (r 19–84). The most common primary site was Esophagus-Stomach (29%), followed by pancreas 9 pts. (29%. 9 pts.(29%) presented with metastatic disease with unknown orimary Sistemic symptoms were common. A majority of our pts. (61%) presented with overt metastases. The liver was involved in 14 pts. (61%) follow by lymph nodes in 5 (16%). The most common chemotherapy used was a combination Platinum based. Overall response rate was 43%. TTP for all pts were 7 months (95% IC 0.34–0.69). Overall survival was 12 months (95% IC 0,31–0,70). We observed differences in term of overall survival and TTP in favor of PDNEC (15 months vs 10 months and 8 vs 4 months respectively) pNS. Conclusions: PDNEC-Small cell had bad prognosis. In our Serie we found differences between both groups, although not statiscally significant (due to a low number of patients). Definitive data of treatment for the management of this group of pts. still lacks. No significant financial relationships to disclose." @default.
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- W2260897107 date "2006-06-20" @default.
- W2260897107 modified "2023-09-26" @default.
- W2260897107 title "Poorly differentiated neuroendocrine carcinoma-small cell of the gastrointestinal tract. Institutional experience" @default.
- W2260897107 doi "https://doi.org/10.1200/jco.2006.24.18_suppl.14142" @default.
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