Question

question 18 (5 points)
surgery is most effective for a tumor that
a) involves cells of the lymphatic system.
b) is solid and limited to one area.
c) involves cells of the immune system.
d) is gelatinous and limited to one area.

Explanation:

🆕 New Concept Discovered: Cancer Treatment Modalities
How different cancer therapies target specific tumor characteristics.

Step 1: Analyze the nature of surgical intervention

Surgery is a localized treatment modality. Its primary goal is to physically remove a distinct, well-defined mass of abnormal tissue from a specific location in the body. For surgery to be highly effective and potentially curative, the tumor must be localized (contained in one area) so that the surgeon can remove it entirely with clean margins (no cancer cells left at the outer edges of the removed tissue).

Step 2: Evaluate the options

• a) involves cells of the lymphatic system: Cancer of the lymphatic system (like lymphoma) is systemic, meaning it involves cells that circulate throughout the body's lymphatic network. Surgery is generally not effective as a primary treatment for systemic cancers.
• b) is solid and limited to one area: A solid, localized tumor has distinct boundaries and is confined to a single site. This makes it highly accessible and suitable for complete physical removal via surgery.
• c) involves cells of the immune system: Similar to lymphatic cancers, cancers of the immune system (like leukemia or lymphoma) are systemic and circulate throughout the body, making localized surgical removal ineffective.
• d) is gelatinous and limited to one area: While limited to one area, "gelatinous" tumors (which have a jelly-like consistency) are much more difficult to remove cleanly in one piece compared to a cohesive, solid tumor mass. Solid tumors are the classic candidates for surgical resection.

Answer:

b) is solid and limited to one area.