MEASURMENT AND COMPARISON OF THYROID DOSE DUO TO SCATTERED RADIATION IN DIFFERENT METHODS OF THORAX CT SCAN

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BAHREYNI TOUSI S.M.T.; SHARAFI A.K.; ABAHASHEMI F.

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Journal: Iranian Journal of Basic Medical Sciences Year:2003 | Volume:6 | Issue:1 (17) Page(s): 7-12

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Title

MEASURMENT AND COMPARISON OF THYROID DOSE DUO TO SCATTERED RADIATION IN DIFFERENT METHODS OF THORAX CT SCAN

Author(s)

BAHREYNI TOUSI S.M.T. | SHARAFI A.K. | ABAHASHEMI F. | Issue Writer Certificate

Keywords

THENNOLUMINESCENCEDOSIMETRYQ4

THYROID DOSEQ4

PITCH FACTORQ4

SPIRAL CT SCANQ4

Abstract

In this in vivo study, 120 adult patients were selected by BMI factor (30 patrents in each method) for measuring THYROID DOSE. CT scan methods included conventional CT and spiral CT with three different PITCH FACTORs (1.2, 1.5, 1.7). By use of TL dosimetry, THYROID DOSE due to scattered radiation in thorax CT scan was measured and the mean of values in each method compared by t-test with reliability of 95% (α=0.05). Dose values also normalized by BMI length of scan (L), patient weight (W). BMI and length of scan together and compared by t-test with reliability of 95% (α =0.05). Results indicates spiral CT with PITCH FACTOR greater than one, reduces THYROID DOSE in comparison of conventional CT and also increase of PITCH FACTOR decreases THYROID DOSE.

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APA: Copy

BAHREYNI TOUSI, S.M.T., SHARAFI, A.K., & ABAHASHEMI, F.. (2003). MEASURMENT AND COMPARISON OF THYROID DOSE DUO TO SCATTERED RADIATION IN DIFFERENT METHODS OF THORAX CT SCAN. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES, 6(1 (17)), 7-12. SID. https://sid.ir/paper/52397/en

Vancouver: Copy

BAHREYNI TOUSI S.M.T., SHARAFI A.K., ABAHASHEMI F.. MEASURMENT AND COMPARISON OF THYROID DOSE DUO TO SCATTERED RADIATION IN DIFFERENT METHODS OF THORAX CT SCAN. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES[Internet]. 2003;6(1 (17)):7-12. Available from: https://sid.ir/paper/52397/en

IEEE: Copy

S.M.T. BAHREYNI TOUSI, A.K. SHARAFI, and F. ABAHASHEMI, “MEASURMENT AND COMPARISON OF THYROID DOSE DUO TO SCATTERED RADIATION IN DIFFERENT METHODS OF THORAX CT SCAN,” IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES, vol. 6, no. 1 (17), pp. 7–12, 2003, [Online]. Available: https://sid.ir/paper/52397/en

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