Foetal Radiation Dose and Risk from Diagnostic Radiology Procedures: A Multinational Study

Table 4

The mean and range of foetal absorbed dose per examination from some special types of diagnostic radiology examinations.

Examination	No. of cases	Foetal absorbed dose per examination (mGy)
		Range	Mean
Barium enema	3	1.14–16.27	7.23
Barium meal	7	0.08–0.19	0.11
Cholangiography	7	1.57–6.65	4.04
Barium follow through	2	0.17–0.64	0.41
IVU	3	0.05–1.33	0.71
KUB	7	0.01–0.59	0.21
Urinary bladder (AP)	1	1.49	1.49
Nephrostomy	2	<0.01–0.37	0.18
CT-abdomen	12	1.04–3.65	1.99
CT-chest	3	0.02	0.02
CT-lumbar spine	10	13.61–21.85	19.05
CT-pelvis	8	1.32–17.06	10.64