ABSORBED DOSE IN THYROID AND EYES LENSES IN CT SCANS OF HEAD AND NECK

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BAHREYNI TOUSI S.M.T.

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Journal: Medical Journal of Mashhad University of Medical Sciences Year:2002 | Volume:45 | Issue:75 Page(s): 9-18

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Title

ABSORBED DOSE IN THYROID AND EYES LENSES IN CT SCANS OF HEAD AND NECK

Author(s)

BAHREYNI TOUSI S.M.T. | | Issue Writer Certificate

Keywords

CT SCANQ2

ABSORBED DOSEQ2

THYROIDQ2

EYE LENSQ4

Abstract

While head is exposed to x-rays for CT SCAN some of the sensitive tissues such as THYROID and EYE LENSes are also exposed.In this study the resultant ABSORBED DOSE to these tissues have been measured by Thermolumincent Dosimeters (TLD), in patients admitted to the CT SCAN ward, in Imam Reza Hospital in 1999.For this purpose TL pellets made from LiF: Mg, Ti were used The CT SCAN machine used in this work was aGE CT 9800HL.The head scans investigated in this work were divided into five groups. Group one general head scans of patients over 16 years old. Group two head scans of patients below 16 years old, group three scans of patients eye orbit, group four scans of patients' sinus and group five scans of patients' sinus ear. Average EYE LENSes doses of patients examined in this study were: 3.22, 3.67, 22.2, 21.6 and 19.9 mGy for group one to five respectively.Average THYROID dose of patients included in this work were 0.78, 0.97, 0.52, 0.93 and 0.49 mGy respectively for group one to five.As ABSORBED DOSE in Eyes Lenses from the Thermolumincent Dosimetry in CT SCAN of patients sinuses and eyes orbits and ears are higher than limit, it must be considered in use of CT SCAN and other diagnostic radiographies.

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APA: Copy

BAHREYNI TOUSI, S.M.T.. (2002). ABSORBED DOSE IN THYROID AND EYES LENSES IN CT SCANS OF HEAD AND NECK. MEDICAL JOURNAL OF MASHHAD UNIVERSITY OF MEDICAL SCIENCES, 45(75), 9-18. SID. https://sid.ir/paper/51267/en

Vancouver: Copy

BAHREYNI TOUSI S.M.T.. ABSORBED DOSE IN THYROID AND EYES LENSES IN CT SCANS OF HEAD AND NECK. MEDICAL JOURNAL OF MASHHAD UNIVERSITY OF MEDICAL SCIENCES[Internet]. 2002;45(75):9-18. Available from: https://sid.ir/paper/51267/en

IEEE: Copy

S.M.T. BAHREYNI TOUSI, “ABSORBED DOSE IN THYROID AND EYES LENSES IN CT SCANS OF HEAD AND NECK,” MEDICAL JOURNAL OF MASHHAD UNIVERSITY OF MEDICAL SCIENCES, vol. 45, no. 75, pp. 9–18, 2002, [Online]. Available: https://sid.ir/paper/51267/en

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