%0 Journal Article %A Schmidt, Moritz %A Hinterleitner, Clemens %A Singer, Stephan %A Lauer, Ulrich M %A Zender, Lars %A Hinterleitner, Martina %T Diagnostic Approaches for Neuroendocrine Neoplasms of Unknown Primary (NEN-UPs) and Their Prognostic Relevance-A Retrospective, Long-Term Single-Center Experience. %J Cancers %V 15 %N 17 %@ 2072-6694 %C Basel %I MDPI %M DKFZ-2023-01850 %P 4316 %D 2023 %X Neuroendocrine neoplasms (NENs) represent a rare and heterogenous group of tumors with predominantly gastroenteropancreatic or pulmonary origin. Despite numerous diagnostic efforts, the primary tumor site remains unknown in up to 20 %K cancer of unknown primary (Other) %K diagnosis (Other) %K endoscopy (Other) %K imaging (Other) %K immunohistochemistry (Other) %K neuroendocrine neoplasm (Other) %K overall survival (Other) %K prognosis (Other) %F PUB:(DE-HGF)16 %9 Journal Article %$ pmid:37686593 %2 pmc:PMC10486951 %R 10.3390/cancers15174316 %U https://inrepo02.dkfz.de/record/282724