Radiation therapy has several applications in non-malignant conditions , such as the treatment of trigeminal neuralgia , acoustic neuromas , severe thyroid eye disease , pterygium , pigmented villonodular synovitis , and prevention of keloid scar growth , vascular restenosis , and heterotopic ossification .
Radiation therapy can also be used in non-malignant conditions , such as the treatment of trigeminal neuralgia , severe thyroid eye disease , pterygium , pigmented villonodular synovitis , and prevention of keloid scar growth , vascular restenosis , and heterotopic ossification .