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Exploring the surgical landscape of pancreatic neuroendocrine neoplasia in Austria: Results from the ASSO pNEN study group.

Primavesi, Florian, Klieser, Eckhard, Cardini, Benno, Marsoner, Katharina, Fröschl, Uwe, Thalhammer, Sabine, Fischer, Ines, Hauer, Andreas, Urbas, Romana, Kiesslich, Tobias, Neureiter, Daniel, Zitt, Matthias, Klug, Reinhold, Wundsam, Helwig, Sellner, Franz, Karner, Josef, Függer, Reinhold, Cakar-Beck, Fergül, Kornprat, Peter, Öfner, Dietmar und Stättner, Stefan (2019) Exploring the surgical landscape of pancreatic neuroendocrine neoplasia in Austria: Results from the ASSO pNEN study group. European journal of surgical oncology : the journal of the European Society of Surgical Oncology and the British Association of Surgical Oncology, 45 (2). pp. 198-206. ISSN 1532-2157

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Kurzfassung

INTRODUCTION Pancreatic neuroendocrine neoplasia (pNEN) show increasing incidence and management is complex due to biological heterogeneity. Most publications report isolated high-volume single-centre data. This Austrian multi-centre study on surgical management of pNENs provides a comprehensive real-life picture of quality indicators, recurrence-patterns, survival factors and systemic treatments. METHODS Retrospective, national cohort-study from 7 medium-/high-volume centres in Austria, coordinated under the auspices of the Austrian Society of Surgical Oncology (ASSO). RESULTS Two-hundred patients underwent resection for pNEN, 177 had non-functioning tumours and 31 showed stage 4 disease. Participating centres were responsible for 2/3 of pNEN resections in Austria within the last years. The mean rate of completeness of variables was 98.6%. Ninety-days mortality was 3.5%, overall rate of complications was 42.5%. Morbidity did not influence long-term survival. The 5-year overall-survival (OS) was 81.3%, 10-year-OS 52.5% and 5-year recurrence-free-survival (RFS) 69.8%. Recurrence was most common in the liver (68.1%). Four out of five patients with recurrence underwent further treatment, most commonly with medical therapy or chemotherapy. Multivariable analysis revealed grading (HR:2.7) and metastasis (HR:2.5) as significant factors for relapse. Tumours-size ≥2 cm (HR:5.9), age ≥60 years (HR:3.1), metastasis (HR:2.3) and grading (HR:2.0) were associated with OS. Tumours <2 cm showed 93.9% 10-year-OS, but 33% had G2/G3 grading, 12.5% positive lymph-nodes and 4.7% metastasis at diagnosis, each associated with significant worse survival. CONCLUSION Resection of pNENs in Austria is performed with internationally comparable safety. Analysed factors allow for risk-stratification in clinical treatment and future prospective trials. A watch-and-wait strategy purely based on tumour-size cannot be recommended.

Typ des Eintrags: Fachpublikation (peer reviewed)
Bereiche: Ordensklinikum Linz Barmherzige Schwestern > Allgemeinchirurgie mit Viszeralchirurgie
Benutzer: Prof. Reinhold Fuegger
Hinterlegungsdatum: 17 Apr 2019 06:51
Letzte Änderung: 17 Apr 2019 06:51
URI: http://eprints.vinzenzgruppe.at/id/eprint/8709

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