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[Lymph node dissection, stage migration and perioperative risk in rectal carcinoma]
M Mörschel1, A Heintz, H P Dienes
1Klinik für Allgemeine und Abdominelle Chirurgie, Johannes Gutenberg Universität Mainz.
Der Chirurg; Zeitschrift Fur Alle Gebiete Der Operativen Medizen
|September 1, 1996
Summary
Increasing lymph node dissection for rectal carcinoma improves tumor staging accuracy without raising perioperative risks. More dissected lymph nodes correlate with identifying more metastases and advanced cancer stages.
Area of Science:
- Oncology
- Surgical Pathology
- Gastrointestinal Surgery
Context:
- Rectal carcinoma management involves surgical resection and lymph node assessment.
- Historical data from 1985-1994 provides insight into evolving surgical practices.
- Standardized histopathological work-up ensures consistent data quality.
Purpose:
- To evaluate the quality of lymph node dissection in rectal carcinoma surgery.
- To assess the impact of lymph node dissection quantity on perioperative risk.
- To determine the relationship between lymph node dissection and tumor staging.
Summary:
- Over 348 rectal carcinoma patients, lymph node dissection increased significantly from 1985-1994.
- Neither operation type nor surgeon experience affected lymph node yield.
- Increased lymph node counts did not elevate operative time, blood transfusion needs, or perioperative risk.
Impact:
- A higher number of dissected lymph nodes strongly correlates with identifying lymph node metastases.
- Increased lymph node dissection is linked to higher UICC stage III and pN2 tumor classifications.
- Central lymph node dissection, even with high ligation of the inferior mesenteric artery, is safe and improves staging accuracy.