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- Title
Einfluss der Molekularpathologie auf die onkologische Chirurgie des kolorektalen Karzinoms.
- Authors
Nöpel-Dünnebacke, Stefanie; Conradi, Lena-Christin; Reinacher-Schick, Anke; Ghadimi, Michael
- Abstract
Colorectal cancer (CRC) is still a very common disease and one of the best characterized malignancies on a molecular level. Interdisciplinary and multimodal treatment strategies should be preferred. In addition to surgical resection in localized stages as well as metastasectomy for oligometastatic advanced stages, neoadjuvant chemoradiotherapy for localized rectal cancer and cytostatic treatment, targeted treatment approaches should also be considered. This overview presents established and novel prognostic and predictive molecular markers of (metastasized) CRC and describes these as targeted therapy options. The determination of high microsatellite instability (MSI-H) has a therapeutic influence when planning adjuvant therapy and also now in the treatment of metastatic CRC. Furthermore, circulating tumor DNA represents a promising marker with respect to a recurrence in early as well as in advanced stages of disease. In addition to the RAS and BRAF mutation status and the localization of the primary tumor, an MSI‑H is also important with respect to the treatment strategy and should be determined before initiation of first-line treatment in metastasized CRC. New pharmaceutical approaches enable targeted interventions at the immunological or molecular level. The understanding of CRC as a heterogeneous disease has been increased using recently established analyses at the molecular level; however, it also generated many hypotheses that require further evaluation with respect to their clinical importance. Special attention is paid to patients affected by hereditary syndromes because of the early onset of disease and the considerable consequences individually and for the patient's family.
- Subjects
CIRCULATING tumor DNA; MICROSATELLITE repeats
- Publication
Der Chirurg, 2021, Vol 92, Issue 11, p986
- ISSN
0009-4722
- Publication type
Article
- DOI
10.1007/s00104-021-01486-7