Discover everything about radiotherapy, a fundamental treatment for cancer. This comprehensive guide explores the principles of operation, uses, side effects, and the importance of radiotherapy in cancer treatment. 


Introduction Radiotherapy is one of the main treatment options for cancer and is used in over half of diagnosed tumor cases. This treatment aims to destroy cancer cells or stop their growth using high-energy radiation. In this guide, we will explore in detail radiotherapy: how it works, its uses, side effects, and the importance of this powerful treatment in the fight against cancer. 

External Radiotherapy: The radiation comes from an external machine and is the most common type of radiotherapy. Internal Radiotherapy (Brachytherapy): A radioactive source is placed directly inside or near the tumor. Salvage Radiotherapy: Used after surgery to eliminate any residual cancer cells. Palliative Radiotherapy: Administered to reduce symptoms and improve the quality of life in patients with advanced tumors. 

Fatigue: Many patients experience fatigue during treatment, but this symptom tends to improve after the sessions end. Skin Irritation: The skin in the treated area can become red and irritated. Hair Loss: Radiotherapy can cause temporary hair loss in the treated area. Gastrointestinal Problems: Some patients may experience nausea, diarrhea, or other digestive issues. Urinary Problems: Pelvic radiotherapy can cause temporary urinary issues. 

The choice of treatment depends on the type of tumor, its location, and the patient’s clinical situation. Always consult an oncologist to evaluate the most suitable treatment options for each specific case. 

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