Table 1.

Commonly used strategies to reduce dementia in cancer patients.

Condition	Commonly Used Strategy
Brain metastasis	Hippocampal-avoidance whole-brain radiotherapy
Brain metastasis	Memantine for patients receiving whole-brain radiotherapy
Brain metastasis	Stereotactic radiosurgery
Brain tumor	Proton therapy
Head and neck cancer	Proton therapy
Head and neck cancer	Carbon ion therapy
Lung cancer	Avoidance of prophylactic cranial irradiation in elderly patients
Prostate cancer	Use of statins in diabetic patients with prostate cancer
Gastric cancer	Vitamin B12 supplement for patients receiving gastrectomy