Identifying the etiology of pain is essential to appropriate management. In the majority of cases (78%), pain is caused by direct tumor involvement. There are several causes of pain in patients with advanced cancer:
Direct Tumor Involvement (78%)
- Bone metastases
- Nerve compression
- Hollow Viscus
- Visceral organs
Cancer Therapy (19%)
- Surgery
- Chemotherapy
- Radiation Therapy
Unrelated Pain (3%)
- Post herpetic neuralgia
- Arthritic pain