Anatomy Which of the following criteria can be used to determine if a pheochromocytoma lesion is benign or malignant A Blood vessel invasion B Cannot be determined by microscopic examination C Hemorrhagic and necrosis D Nuclear pleomorphism 💡 Explanation Which of the following criteria can be used to determine if a pheochromocytoma lesion is benign or malignant ✓ Correct Answer: B. Cannot be determined by microscopic examination