Abdominal region



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ABDOMINAL REGION


Procedure

Approximate effective radiation dose

Comparable to natural background radiation for:

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

 


Procedure

Approximate effective radiation dose

Comparable to natural background radiation for:

Spine X-ray

1.5 mSv

6 months

Extremity (hand, foot, etc.) X-ray

0.001 mSv

3 hours



CENTRAL NERVOUS SYSTEM


Procedure

Approximate effective radiation dose

Comparable to natural background radiation for:

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


Procedure

Approximate effective radiation dose

Comparable to natural background radiation for:

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 


Procedure

Approximate effective radiation dose

Comparable to natural background radiation for:

Dental X-ray

0.005 mSv

1 day



HEART


Procedure

Approximate effective radiation dose

Comparable to natural background radiation for:

Coronary Computed Tomography Angiography (CTA)

12 mSv

4 years

Cardiac CT for Calcium Scoring

3 mSv

1 year



MEN'S IMAGING 
 


Procedure

Approximate effective radiation dose

Comparable to natural background radiation for:

Bone Densitometry (DEXA)

0.001 mSv

3 hours



NUCLEAR MEDICINE
 


Procedure

Approximate effective radiation dose

Comparable to natural background radiation for:

Positron Emission Tomography–Computed Tomography (PET/CT)

25 mSv

8 years



WOMEN'S IMAGING 


Procedure

Approximate effective radiation dose

Comparable to natural background radiation for:

Bone Densitometry (DEXA)

0.001 mSv

3 hours

Mammography

0.4 mSv

7 weeks

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