CT Collimators explained 📐 Pre-patient vs Post-patient collimation — know the difference In CT scan, collimators are used to shape and restrict the X-ray beam, helping to control dose and improve image quality. 🔹 Pre-patient collimator • Positioned before the patient • Restricts the primary X-ray beam • Determines slice thickness • Helps reduce unnecessary radiation exposure 🔹 Post-patient collimator • Positioned after the patient (before detectors) • Restricts scattered radiation • Improves
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Collimation — the art of shaping X-rays for clarity and care! Reduce dose, improve quality, and protect your patient. Be precise. Be professional. Be ALARA. Collimation is one of the most essential steps in radiographic imaging. It means restricting the X-ray beam only to the area of interest, preventing unnecessary exposure and improving diagnostic quality. Good collimation is not just technique — it’s patient protection and professional responsibility. Why Collimation is Important: ✔️ Reduces
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