The key distinction between malignant and benign tumors is that
A) malignant tumors mostly appear within structures that are adjacent to large blood vessels.
B) a benign tumor is encapsulated by a distinct border.
C) benign tumors are invariably larger than malignant tumors.
D) malignant tumors arise from neurons rather than glia.
E) benign tumors induce apoptosis but malignant tumors do not.

Question

Quizplus · Accepted Answer

Benign tumors are typically encapsulated by a distinct border that separates them from surrounding tissue, whereas malignant tumors often lack this distinct border and can invade surrounding tissues.

The Key Distinction Between Malignant and Benign Tumors Is That