# Cancer Pain: Radiotherapy as a Double-Edged Sword

## TL;DR

Radiotherapy helps relieve cancer pain but can also cause new pain, requiring careful management to improve patients' quality of life.

## Contribution

Highlights the dual role of radiotherapy in both alleviating and inducing cancer pain.

## Key findings

- Radiotherapy provides pain relief for 60–80% of cancer patients by reducing tumor size.
- Radiotherapy can induce neuropathic pain, necessitating additional treatment.
- Careful management of radiotherapy's side effects is essential for improving patient outcomes.

## Abstract

Cancer pain is a common issue for patients, especially in the advanced stages of cancer, and significantly affects the quality of life (QoL), treatment tolerance, and overall treatment outcomes. Pain may be caused by primary tumors, metastases, or as a consequence of the inflammatory reaction of tissues surrounding the tumor following radiotherapy (RT). Effective pain management is crucial, especially with RT being a key method for alleviating cancer pain, particularly in cases of bone and soft tissue metastases. RT provides relief for 60–80% of patients by reducing tumor size and mitigating associated pain. Radiotherapy itself can also induce pain, especially radiation-induced neuropathic pain, which may require further treatment. Despite these potential side effects, RT remains an essential tool in managing cancer pain, though careful management of its toxicities is necessary to improve patient QoL and survival.