Radiation Dose to Adults from Common Imaging Examinations ABDOMINAL REGION - Computed Tomography (CT) — Abdomen and Pelvis 10 mSv 3 years - Computed Tomography (CT) — Abdomen and Pelvis, repeated with and without contrast material 20 mSv 7 years - Computed Tomography (CT) — Colonography 6 mSv 2 years - Intravenous Pyelogram (IVP) 3 mSv 1 year - Barium Enema (Lower GI X-ray) 8 mSv 3 years - Upper GI Study With Barium 6 mSv 2 years BONE - Spine X-ray 1.5 mSv 6 months - Extremity (hand, foot, etc.) X-ray 0.001 mSv 3 hours CENTRAL NERVOUS SYSTEM - Computed Tomography (CT) — Head 2 mSv 8 months - Computed Tomography (CT) — Head, repeated with and without contrast material 4 mSv 16 months - Computed Tomography (CT) — Spine 6 mSv 2 years CHEST - Computed Tomography (CT) — Chest 7 mSv 2 years - Computed Tomography (CT) — Lung Cancer Screening 1.5 mSv 6 months - Chest X-ray 0.1 mSv 10 days DENTAL - Dental X-ray 0.005 mSv 1 day HEART - Coronary Computed Tomography Angiography (CTA) 12 mSv 4 years - Cardiac CT for Calcium Scoring 3 mSv 1 year MEN’S IMAGING - Bone Densitometry (DEXA) 0.001 mSv 3 hours NUCLEAR MEDICINE - Positron Emission Tomography — Computed - Tomography (PET/CT) 25 mSv 8 years WOMEN’S IMAGING - Bone Densitometry (DEXA) 0.001 mSv 3 hours - Mammography 0.4 mSv 7 weeks #PatientInfo #Radiology #Background #Radiation #Doses #Imaging #ChestXRay #CXR #CT #Nuclear #Comparison #Table #Risks #Testing #Study