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New York City, NY, United States

Curran T.,Box 1069 | Tulin-Silver S.,Box 1069 | Patel K.,Box 1069 | Schneiderman M.,Box 1069 | And 4 more authors.
Pancreas | Year: 2011

Objectives: Neuroendocrine tumors demonstrate heterogeneous behavior based on the site of origin and histology. This study aimed to delineate prognostic clinicopathologic features in patients with metastatic midgut carcinoid. Methods: All patients underwent resection of the primary tumor in the setting of metastatic disease. Survival was measured from the date of primary tumor resection and calculated by Kaplan-Meier estimation. Clinical data include age, sex, serum biomarkers, primary tumor size, Ki-67 index, and the performance of hepatic cytoreductive procedure. Serially collected serum biomarkers were considered as mean values within periods relative to primary resection: preoperative, 0 to 1 year postoperative, and years 1 to 5 postoperative. Log-rank comparisons were used to assess the prognostic value of the aforementioned features. Results: Forty-nine patients (21 men) with metastatic midgut carcinoid who underwent primary tumor resection were identified. Median survival was 121 months. The overall 5-year survival rate was 83%. Age higher than 65 years (P = 0.01) and late postoperative chromogranin A (CgA; P = 0.02) were associated with decreased survival. Conclusions: This study highlights the favorable prognosis of patients with metastatic small bowel carcinoid in a multidisciplinary treatment program. Among other factors, elevated postoperative CgA is associated with decreased survival. The significance of increased CgA over time underlies the importance of longitudinal follow-up for these patients. © 2011 by Lippincott Williams & Wilkins.

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