Table 2:

Doses measured for all protocols on a 320-row scanner (Toshiba Aquilion ONE)

Organ	W (T)	Noncontrast Head CT Volume		Noncontrast Head CT Incremental		CTP + CTA (Intractranial)		CTA (Neck)
		Dose (mGy)	Weighted Dose (mSv)	Dose (mGy)	Weighted Dose (mSv)	Dose (mGy)	Weighted Dose (mSv)	Dose (mGy)	Weighted Dose (mSv)
Hemispheres	0.01	31.42	0.31	41.91	0.42	69.91	0.7	3.34	0.03
Skin (scan area)		36.86		42.34		92		3.84
Skin (total)	0.01	19.19	0.19	21.47	0.21	46.49	0.46	3	0.03
Eye lenses		40.23		44.31		44.01		2.39
Pituitary gland		25.24		38.93		52.69		5.3
Bone marrow (scan area)		7.67		12.77		30.17		14.8
Bone marrow (total)	0.12	4.2	0.5	6.97	0.84	15.81	1.9	8.57	1.03
Thyroid gland	0.04	2.54	0.1	3.39	0.14	5.37	0.21	58.6	2.3
Lung	0.12	0.78	0.09	0.4	0.05	0.61	0.07	4.36	0.5
Esophagus	0.04	0.5	0.02	0.63	0.03	0.46	0.02	3.51	0.14
Breast	0.12	1.52	0.18	0.59	0.07	0.98	0.12	2.17	0.26
Liver	0.05	0.77	0.04	0.42	0.02	0.29	0.01	1.16	0.06
Stomach	0.12	0.63	0.08	0.3	0.04	0.29	0.03	1.18	0.14
Ovaries	0.08	0.48	0.04	1.01	0.08	0.42	0.03	0.36	0.03
Lower colon	0.12	0.46	0.06	0.43	0.51	0.23	0.03	0.29	0.03
Bladder	0.04	0.68	0.03	0.59	0.02	0.74	0.03	0.33	0.01
Testes	0.08	0.29	0.02	0.53	0.04	0.43	0.03	0.34	0.03
Effective dose (women)			1.64		2.43		3.61		4.56
Effective dose (men)			1.62		2.39		3.61		4.56