Zusammenfassung
Die Indikationsstellung zur operativen Therapie hepatisch metastasierter neuroendokriner Tumoren (NET) sollte in ein multidisziplinäres Therapiekonzept eingebettet sein. Eine klare Indikation liegt bei Patienten vor, bei denen ein radikales Vorgehen im Rahmen der chirurgisch-technischen Möglichkeiten zur Tumorfreiheit führt. Trotz hoher Rezidivraten im Langzeitverlauf legitimiert sich die Indikation zum leberchirurgische Eingriff durch Symptompalliation und Hinweise auf ein verbessertes Patientenüberleben bei gleichzeitig niedriger perioperativer Mortalität in spezialisierten Zentren. Auf dem Boden des Evidenzgrads der vorliegenden Studien ist der Indikationsbereich der palliativen Resektionen zur Tumormassenreduktion und Symptompalliation nicht abschließend bewertbar. Ähnliches gilt für Patienten mit hepatisch metastasierten asymptomatischen NET. Jedoch besteht ein Konsens, dass die Tumormassenreduktion um mehr als 90% sinnvoll ist, wenn mit der konservativen Behandlung nur eine unzureichende Palliation erzielt werden kann. Die Indikation zur Lebertransplantation muss restriktiv gehandhabt werden und beschränkt sich auf Einzelfälle.
Abstract
The indication for surgery for liver metastases from neuroendocrine tumors (NET) should be embedded in a multidisciplinary approach. There is a clear indication in patients in whom radical resection with curative intent is technically feasible. Despite high recurrence rates in the long run, the indication for liver resection is legitimated by the palliation of symptoms and the chance for cure. Improved long-term survival and concomitantly low perioperative mortality have been demonstrated in specialized centers. Based on the degree of evidence derived from published data, the indication for palliative resection, i.e., tumor mass reduction and palliation of symptoms, has not been finally confirmed. Accordingly, data do not conclusively prove a benefit for surgery in patients with liver metastases from asymptomatic NET. However, there is consensus about tumor mass reduction of more than 90% in patients without satisfactory palliation of symptoms by conservative therapy. Liver transplantation is indicated in very individual cases only and should be applied restrictively.
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Pascher, A., Steinmüller, T. & Neuhaus, P. Chirurgische Therapie neuroendokriner Tumoren der Leber und der Gallengänge. Onkologe 10, 1054–1060 (2004). https://doi.org/10.1007/s00761-004-0770-8
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DOI: https://doi.org/10.1007/s00761-004-0770-8
Schlüsselwörter
- Lebermetastasen
- Leberchirurgie
- Gastroenteropankreatische neuroendokrine Tumoren
- Maligne Karzinoide
- Tumormassenreduktion