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- W2589992899 abstract "368 Background: Appendiceal neoplasms are poorly understood and represent less than 0.5% of all gastrointestinal cancers. We describe the presentation, pathologic characteristics, and treatment interventions that may have affected patient (pt) outcome. Methods: This is a retrospective review of pts with appendiceal neoplasms treated at NYU Medical Center and/or NYU Cancer Center between 2002-2011. Pt demographics and medical history were collected, including pathology reports, operative findings, imaging studies, treatment and outcomes. Results: 41 consecutive pts with varying stages of appendiceal cancer were identified (70.7% female, median age 57). Most common presentations included: 15 (36.6%) gynecologic complaints, 12 (29.2%) acute appendicitis, and 11 (26.8%) abdominal symptoms. Histologic subtypes were 27 (65.9%) mucinous cystadenomas and 14 (34.1%) adenocarcinomas of which 12 (29.3%) were mucinous adenocarcinoma and 2 (4.9%) were signet cell mucinous adenocarcinoma. Distribution of stages was: 27 (65.9%) stage 0, 2 (4.9%) stage I, 2 (4.9%) stage IIA/B, 6 (14.6%) stage IVA, and 4 (9.8%) stage IVB. All pts underwent one or more of the following procedures: appendectomy (n=39), colectomy (n=9), bilateral salpingo-oophorectomy (n=4), other (n=1). 9 of 10 stage IV pts underwent debulking, of those 2 had suboptimal debulking. 1 stage II pt and 4 stage IV pts (all mucinous adenocarcinoma subtype) received hyperthermic intraperitoneal chemotherapy (HIPEC) with mitomycin-C (all female, median age 39). In contrast, 6 stage IV pts (2 signet cell adenocarcinoma, 4 mucinous adenocarcinoma subtypes) did not receive HIPEC (67% female, median age 80). 1 pt received systemic 5FU based chemotherapy in addition to HIPEC (female, age 39). Median overall survival (mOS) for all pts ≥ stage II is 32 months. mOS in pts ≥ stage II who did not receive HIPEC is 8 mo whereas mOS in pts ≥ stage II who received HIPEC has not been reached. Conclusions: Appendiceal cancer is frequently detected as an incidental finding for gynecologic and abdominal complaints or presents as acute appendicitis. Surgery is the mainstay of treatment for this disease. Additional therapy including HIPEC may be of benefit in select advanced stage patients." @default.
- W2589992899 created "2017-03-03" @default.
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- W2589992899 date "2013-02-01" @default.
- W2589992899 modified "2023-09-25" @default.
- W2589992899 title "Mucinous neoplasms of the appendix: A single-center experience." @default.
- W2589992899 doi "https://doi.org/10.1200/jco.2013.31.4_suppl.368" @default.
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