Welcome!
Welcome to the website of the Dutch Snapshot Research Group (DSRG): a national surgical network aiming to initiate and coordinate large-scale collaborative research projects using the Snapshot study design in the Netherlands. Our network currently consists of 770 surgeons, radiologists, radiation oncologists, surgical residents, PhD students, physician assistants and research nurses employed in 75 out of 76 Dutch hospitals. Since 2016, 49 articles were published by the DSRG.
On this website, more information about the DSRG, its projects, and publications can be found. Instructions on how to submit new research ideas are listed under ‘New research ideas’. READ MORE
NEWS
February 2026
First publications Snapshot Complex colon cancer
After addressing discrepancies in the extensive database of the Tenth Dutch Snapshot Study on complex colon cancer, the first results have been published. Collaborators from 50 hospitals retrospectively collected short- and long-term data on surgical and oncological outcomes, with special interest in complex tumor types and locoregional recurrence. In total, 9,523 patients were included in the Snapshot.
This first publication, focusing on synchronous colon cancer, showed a 3.4% incidence within the study population. No statistically significant differences in 5-year disease-free or overall survival were observed between patients with synchronous and solitary colon cancer.
Many thanks to all collaborators. New manuscripts from this Snapshot will follow soon.
NEWS
January 2026
First publication MANS study
The first results of the Eighth Dutch Snapshot Study on neoadjuvant systemic treatment in breast cancer (MANS study) have been published. During a two-month period in 2022, patient and tumor characteristics of newly diagnosed breast cancer patients were prospectively registered. A total of 467 patients were included from 70 Dutch hospitals.
The study shows that in the Netherlands, the main reasons for neoadjuvant systemic therapy in breast cancer patients were subtype (Triple negative and HER2+) and axillary downstaging. Neoadjuvant systemic therapy led to high conversion rates from mastectomy to breast conserving surgery, as well as high rates of omission of axillary lymph node dissection.
Many thanks to all collaborators of the Snapshot Breast Cancer Collaborative Study Group!