J Philip Boudreaux1, Yi-Zarn Wang1, Anne E Diebold1, Daniel J Frey2, Lowell Anthony3, Ann Porter Uhlhorn4, Pamela Ryan4, Eugene A Woltering5. 1. Louisiana State University Health Sciences Center, University Medical Center, New Orleans, LA. 2. Louisiana State University Health Sciences Center, Lafayette, LA. 3. University of Kentucky Markey Cancer Center, Lexington, KY. 4. Ochsner Medical Center-Kenner, Kenner, LA. 5. Louisiana State University Health Sciences Center, University Medical Center, New Orleans, LA. Electronic address: ewolte@lsuhsc.edu.
Abstract
BACKGROUND: Well-differentiated neuroendocrine tumors (NETs) of the gastrointestinal tract are rare, slow-growing neoplasms. Clinical outcomes in a group of stage IV, well-differentiated patients with NETs with small bowel primaries undergoing cytoreductive surgery and multidisciplinary management at a single center were evaluated. STUDY DESIGN: The charts of 189 consecutive patients who underwent surgical cytoreduction for their small bowel NETs were reviewed. Information on the extent of disease, complications, and Kaplan-Meier survival were collected from the patient records. RESULTS: A total of 189 patients underwent 229 cytoreductive operations. Ten percent of patients required an intraoperative blood transfusion and 3% (6 of 229) had other intraoperative complications. For all 229 procedures performed, mean (± SD) stay in the ICU was 4 ± 3 days and in the hospital was 9 ± 10 days. Before discharge, 51% of patients had no postoperative complications and 39% of patients had only minor complications. In a 30-day follow-up period from discharge, 85% of patients had no additional complications and 13% had only minor complications. The 30-day postoperative death rate was 3% (5 of 189). Mean survival from histologic diagnosis of NET was 236 months. The 5-, 10-, and 20-year Kaplan-Meier survival rates from diagnosis were 87%, 77%, and 41%, respectively. CONCLUSIONS: Cytoreductive surgery in patients with well-differentiated midgut NETs has low mortality and complication rates and is associated with prolonged survival. We believe that cytoreductive surgery is a key component in the care of patients with NETs.
BACKGROUND: Well-differentiated neuroendocrine tumors (NETs) of the gastrointestinal tract are rare, slow-growing neoplasms. Clinical outcomes in a group of stage IV, well-differentiated patients with NETs with small bowel primaries undergoing cytoreductive surgery and multidisciplinary management at a single center were evaluated. STUDY DESIGN: The charts of 189 consecutive patients who underwent surgical cytoreduction for their small bowel NETs were reviewed. Information on the extent of disease, complications, and Kaplan-Meier survival were collected from the patient records. RESULTS: A total of 189 patients underwent 229 cytoreductive operations. Ten percent of patients required an intraoperative blood transfusion and 3% (6 of 229) had other intraoperative complications. For all 229 procedures performed, mean (± SD) stay in the ICU was 4 ± 3 days and in the hospital was 9 ± 10 days. Before discharge, 51% of patients had no postoperative complications and 39% of patients had only minor complications. In a 30-day follow-up period from discharge, 85% of patients had no additional complications and 13% had only minor complications. The 30-day postoperative death rate was 3% (5 of 189). Mean survival from histologic diagnosis of NET was 236 months. The 5-, 10-, and 20-year Kaplan-Meier survival rates from diagnosis were 87%, 77%, and 41%, respectively. CONCLUSIONS: Cytoreductive surgery in patients with well-differentiated midgut NETs has low mortality and complication rates and is associated with prolonged survival. We believe that cytoreductive surgery is a key component in the care of patients with NETs.
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