What is the standard operative treatment for localized colon cancer?

What is the standard operative treatment for localized colon cancer?

• A. Colectomy with ileostomy
• B. Segmental colectomy with regional lymphadenectomy
• C. Local excision
• D. Total colectomy

Answer: (B)

For localized colon cancer, the goal of surgery is to remove the tumor with its regional lymphatic drainage while preserving bowel function if possible. The best approach is segmental colectomy with regional lymphadenectomy. This operation removes the cancerous segment of colon plus a margin of healthy tissue and the lymph nodes that drain that segment, providing oncologic clearance and allowing accurate staging. After resection, a primary anastomosis is attempted if the patient’s condition and tumor location permit; an ostomy is only used when the anastomosis would be unsafe or when other complications dictate it. Local excision doesn't address potential lymph node metastasis and is generally reserved for very early or low-risk lesions. Total colectomy would be excessive for a single localized tumor and is reserved for diffuse disease or certain hereditary conditions.

For localized colon cancer, the goal of surgery is to remove the tumor with its regional lymphatic drainage while preserving bowel function if possible. The best approach is segmental colectomy with regional lymphadenectomy. This operation removes the cancerous segment of colon plus a margin of healthy tissue and the lymph nodes that drain that segment, providing oncologic clearance and allowing accurate staging. After resection, a primary anastomosis is attempted if the patient’s condition and tumor location permit; an ostomy is only used when the anastomosis would be unsafe or when other complications dictate it.

Local excision doesn't address potential lymph node metastasis and is generally reserved for very early or low-risk lesions. Total colectomy would be excessive for a single localized tumor and is reserved for diffuse disease or certain hereditary conditions.