Clinical and pathologic factors affecting lymph node yields in colorectal cancer
Ta-Wen Hsu1, Hsin-Ju Lu, Chang-Kuo Wei
1Department of General Surgery, Buddhist Dalin Tzu Chi General Hospital, Chiayi, Taiwan.
Plos One
|July 23, 2013
Summary
Surgeon, pathologist, tumor size, and specimen length significantly impact lymph node yield in colorectal cancer surgery. Optimizing these factors can improve the quality benchmark for patient care.
Area of Science:
- Oncology
- Surgical Pathology
- Quality Improvement in Healthcare
Background:
- Lymph node yield is a critical quality indicator in colorectal cancer care.
- Accurate lymph node staging is essential for effective treatment planning and prognosis.
Purpose of the Study:
- To investigate factors influencing lymph node yield in colorectal cancer patients.
- To identify independent predictors of lymph node harvest in surgical specimens.
Main Methods:
- Retrospective review of 162 patients with Stage I-III colorectal cancer.
- Analysis of demographic, pathologic, and surgical data.
- Multivariable linear regression to identify significant factors affecting lymph node yield.
Main Results:
- Tumor size, surgical method, specimen length, surgeon, and pathologist were significantly associated with lymph node yield.
- These five variables explained 44.4% of the variation in lymph node yield.
- Individual surgeon and pathologist emerged as key determinants.
Conclusions:
- Patient and tumor characteristics, along with surgical variables, influence lymph node retrieval.
- Physicians play a crucial role as gatekeepers of lymph node yield.
- Enhanced training and standardized guidelines are recommended to improve lymph node harvest quality.
