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Anatomisch-pathologische Besonderheiten der Klatskin-Tumoren

Klassifikation, aktuelle molekularbiologische Aspekte, Prognosefaktoren

Pathological anatomical characteristics of Klatskin tumors

Classification, current molecular biological aspects, prognosis factors

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Zusammenfassung

Es handelt sich bei den Klatskin-Tumoren um eine Subgruppe der Gallengangkarzinome, die aufgrund ihrer besonderen Lokalisation eine chirurgische Herausforderung darstellt. Histomorphologisch zeigen Gallengangkarzinome keine lokalisationsabhängigen Unterschiede auch in Bezug auf ihre Vorläuferläsionen. Auch molekularbiologisch gibt es nur wenige Unterschiede. Wichtig für die Therapie und Prognoseabschätzung ist eine genau Diagnosestellung und bei Resektabilität eine standardisierte Aufarbeitung des Operationspräparats, um die Resektionsränder genau zu beurteilen. Ebenso wichtig ist eine regionäre Lymphknotendissektion. Molekularbiologisch sind bei dieser relativ seltenen Tumorerkrankung weitere Untersuchungen zu fordern, um eine individualisierte Therapie, wie sie derzeit für andere gastrointestinale Tumoren bereits durchgeführt wird, zu ermöglichen.

Abstract

Klatskin tumors are a distinct subgroup of cholangiocarcinomas which are a surgical challenge due to their special localization. Different localizations do not show great differences concerning histomorphology and precursor lesions. With respect to molecular alterations there are only small differences. Accurate clinical and histomorphological diagnosis is important for therapy and especially the prediction of prognosis as well as standardized processing of the resection specimen if the carcinoma is resectable. Additionally, accurate lymph node dissection is necessary. Concerning molecular markers further investigations are needed to develop individualized therapy regimes.

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Munding, J., Tannapfel, A. Anatomisch-pathologische Besonderheiten der Klatskin-Tumoren. Chirurg 83, 208–214 (2012). https://doi.org/10.1007/s00104-011-2175-8

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