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Colorectal metastasis (liver and lung)
Christophe Penna1, Bernard Nordlinger
1Division of Digestive and Oncologic Surgery, Ambroise Paré Hospital and University of Paris V, 9 avenue Charles-de-Gaulle, 92104 Boulogne Cedex, France.
The Surgical Clinics of North America
|January 1, 2003
Summary
Distant colorectal cancer metastases, particularly to the liver, are a major cause of death. However, curative treatment, including surgery and new modalities, is possible for some patients with metastatic colorectal cancer.
Area of Science:
- Oncology
- Surgical Oncology
- Gastroenterology
Background:
- Distant metastases are the primary cause of mortality in colorectal carcinoma patients.
- Liver metastases affect 20-70% of patients, and lung metastases 10-20%, depending on primary tumor stage.
- Unlike many cancers, distant metastases from colorectal cancer do not always preclude curative treatment.
Purpose of the Study:
- To review current and emerging treatment strategies for colorectal cancer with distant metastases, focusing on liver metastases.
- To highlight the role of surgical resection and novel therapeutic modalities in improving outcomes.
- To discuss the impact of new pharmacologic agents on managing liver metastases.
Main Methods:
- Review of existing literature on colorectal cancer metastasis treatment.
- Analysis of surgical resection as a curative option.
- Evaluation of neoadjuvant therapies like portal vein embolization, perioperative chemotherapy, and local ablation techniques (cryotherapy, radiofrequency ablation).
- Assessment of the impact of new systemic drugs.
Main Results:
- Surgical resection offers the only chance for long-term survival and cure, but is feasible for a minority of patients with liver metastases.
- New treatment modalities, including portal vein embolization, perioperative chemotherapy, and local destruction techniques, can increase the number of patients eligible for surgery.
- These interventions can also prolong survival in unresectable cases.
- Recent advancements in drug therapy have significantly altered the management landscape for colorectal liver metastases.
Conclusions:
- While surgical resection is the cornerstone of curative treatment for metastatic colorectal cancer, its applicability is limited.
- A combination of surgical resection with neoadjuvant therapies and novel systemic drugs offers improved prospects for patients with liver metastases.
- These integrated approaches hold the potential to enhance resectability rates and prolong survival, even in cases of non-resectable disease.