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- W2966224998 abstract "e14703 Background: Neuroendocrine tumours (NETs) have been regarded as indolent tumors with significantly variable clinical behavior. Limited information is available on long-term clinical outcome and clinically applicable prognostic factors.We performed a retrospective review of NETS managed in the Australian Capital Territory (ACT) over a 12-year period,with examination of epidemiology and various prognostic clinicopathologic factors. Methods: This multicenter analysis included patients in ACT and surrounding New South Wales treated with histologically proven neuroendocrine tumor (lung carcinoids excluded). The cases were identified from hospital databases. Data was analysed according to epidemiological, clinical and histopathological characteristics. Results: The cohort of 107 patients showed slight male predominance. Median age at diagnosis was 62 years and tumour size of 1.2 cm. The most common primary tumour site was jejunum/ileum (32%) followed by rectum (22%) and pancreas (11.2 %). Most patients had localised disease at initial diagnosis (n- 73/107 (68%). Distant metastases were seen in 32% (n-34/107) on initial staging with liver being most common site. Most patients were symptomatic at diagnosis while 22.4% cases were found incidentally. Second malignancies in particular of gastrointestinal origin were diagnosed in 33.6% (n-36/107). Surgical debulking was the most common treatment (59.8%) while 18% had multi-modality therapy. At a median followup of 25 months from diagnosis, 76 patients (78%) were still alive. Median time to first relapse was 15 months. 5 year survival rate was 75% for NETs originating from jejunum/ilieum on Kaplan-Meier analysis. Increasing age, tumor size, male gender, high histological grade, high Ki 67 index, raised plasma chromogranin A and urine 5 HIAA at the time of diagnosis were associated with shorter 5-year survival. Conclusions: The epidemiologic characteristics and long-term outcome in our series was comparable to reported studies from other centers. This analysis confirmed some important prognostic factors that could be considered for risk stratification and therapeutic management in patients with NETs." @default.
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- W2966224998 date "2012-05-20" @default.
- W2966224998 modified "2023-09-27" @default.
- W2966224998 title "Single institutional series of neuroendocrine tumours managed in the Australian capital territory." @default.
- W2966224998 doi "https://doi.org/10.1200/jco.2012.30.15_suppl.e14703" @default.
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