Cancer histology in metastatic lymph node predicts prognosis in patients with node-positive stage IV colorectal cancer
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View abstract on PubMed
Summary
This summary is machine-generated.Histology of metastatic lymph nodes (mLNs) in stage IV colorectal cancer (CRC) impacts patient survival. Tubular-type mLNs indicate a good prognosis, while poorly differentiated mLNs suggest a poor outcome for CRC patients.
Area Of Science
- Oncology
- Pathology
- Surgical Oncology
Background
- Prognostic indicators are crucial for stage IV colorectal cancer (CRC) patients.
- The role of metastatic lymph node (mLN) histology in stage IV CRC prognosis is unclear.
- Previous studies linked mLN histology to recurrence and survival in stage III CRC.
Purpose Of The Study
- To investigate the association between mLN histology and cancer-specific survival (CSS) in node-positive stage IV CRC patients.
- To determine if mLN histological subtypes serve as prognostic factors in advanced CRC.
Main Methods
- Retrospective analysis of 449 CRC patients undergoing primary tumor resection and lymph node dissection.
- Inclusion of 88 patients with node-positive stage IV CRC and distant metastases.
- Classification of mLN histology and correlation with CSS using Kaplan-Meier and multivariate analyses.
Main Results
- Patients with all tubular-type mLNs showed significantly better CSS.
- Patients with any poorly differentiated-type mLNs had a poorer prognosis.
- Tubular-type mLNs were an independent good prognostic factor; poorly differentiated mLNs were an independent poor prognostic factor for CSS.
Conclusions
- The histological type of metastatic lymph nodes is a significant prognostic indicator in stage IV CRC.
- mLN histology can predict outcomes, distinguishing between favorable and unfavorable prognoses for patients with advanced colorectal cancer.
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