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Table 2 Thyroid and effective dosimetry data of the 23 patients

From: Quantitative analysis of 99mTc-pertechnetate thyroid uptake with a large-field CZT gamma camera: feasibility and comparison between SPECT/CT and planar acquisitions

 

Mean

SD

Range

Injected Activity (MBq)

79.2

3.7

(71.5–86.7)

CTDIvol (mGy) (body)

2.21

0.2

(1.6–2.5)

DL P(mGy cm)

49.5

9

(33–65)

CT-effective dose (mSv)*

0.34

0.03

(0.24–0.38)

99mTcO4-effective dose(mSv)**

0.95

0.04

(0.86–1.04)

CT-Thyroid absorbed dose (mGy)*

3.88

0.36

(2.82–4.38)

99mTcO4-thyroid absorbed dose (mGy)**

1.74

0.08

(1.57–1.91)

  1. *ICRP-103 and Virtual-Phantoms, Inc. software, ** ICRP-80