Sparing the parotid glands to prevent xerostomia (chronic dry mouth). 🫁 Thorax Key OARs: Lungs, heart, esophagus, and spinal cord. Anatomical Landmarks: Carina, aortic arch, and diaphragm.
Requires precise contouring to avoid treatment-induced toxicities. 🗺️ Site-Specific CT Anatomy 🧠 Central Nervous System (Brain & Spine) CT Anatomy for Radiotherapy
Brainstem, optic chiasm, optic nerves, lenses, and spinal cord. Sparing the parotid glands to prevent xerostomia (chronic
Tolerance doses dictate the maximum radiation the target can receive. and spinal cord. Anatomical Landmarks: Carina
🎯 Direct Answer is the fundamental practice of identifying, delineating, and contouring anatomical structures on CT images to ensure precise radiation delivery to tumors while sparing adjacent healthy tissues. 📌 Overview