BibTex Citation Data :
@article{YPJ5945, author = {Tina Melinda and Eko Hidayanto and Zaenal Arifin}, title = {PENGARUH PERUBAHAN FAKTOR EKSPOSI TERHADAP NILAI CT NUMBER}, journal = {Youngster Physics Journal}, volume = {3}, number = {3}, year = {2014}, keywords = {}, abstract = { CT Number valuehad been conducted with various of expos ure factoronCT . Testingwas conducted to test the CT N umber value changeswith varioues of exposure factorsthencompare it withthe recommendedtolerance. Testing was doneby usingsome objectth ere are water phantom , plasticwaterphantom , chickenblood , chicken ( breast part ) andchickenbone( thigh). Perform ed withtwoscanning , axialandhelicalscanning methods . Various of e xpos ure factor s used the voltage 80 kVp to 140kVp , current100 mA to 180mAand exposure time 0.6 second to 2second . Collimatorwith alargeselection and slice thickness 5mm . From the test results have known thatchanges of the expos ure factorswill affec ted CT N umber value . CT N umber value obtain from the test results by using water phantom -2,50 HU until -4,99 HU, plastic water phantom -6,99 HU until +6,99 HU, blood +31,01 HU until +36,70 HU, chiken (soft tissue) +48,33 HU until +66,61 HU and bone +800,15 HU until +1188,28 HU.T hevalue is stillwell withinthe recommendedtolerancesareforwater phantom andplasticwaterphantom0±7HU , blood+30 HU to+45HU , soft tissue +37 HUto+300 HU andbone+700HUto+3000 HU . Keywords : CT Number, exposure factors , plasticwaterphantom , axial scanning andhelicalscanning }, issn = {2302-7371}, pages = {269--278} url = {https://ejournal3.undip.ac.id/index.php/bfd/article/view/5945} }
Refworks Citation Data :
CT Number valuehad been conducted with various of exposurefactoronCT. Testingwas conducted to test the CTNumber value changeswith varioues of exposure factorsthencompare it withthe recommendedtolerance.
Testing was doneby usingsome objectthere arewater phantom, plasticwaterphantom, chickenblood, chicken (breast part) andchickenbone(thigh). Performedwithtwoscanning, axialandhelicalscanning methods. Various of exposurefactors used the voltage 80 kVp to 140kVp, current100 mA to 180mAandexposure time0.6 second to 2second. Collimatorwith alargeselection and slice thickness 5mm.
From the test resultshave known thatchangesof the exposurefactorswill affectedCTNumber value. CT Number value obtain from the test results by using water phantom -2,50 HU until -4,99 HU, plastic water phantom -6,99 HU until +6,99 HU, blood +31,01 HU until +36,70 HU, chiken (soft tissue) +48,33 HU until +66,61 HU and bone +800,15 HU until +1188,28 HU.Thevalue is stillwell withinthe recommendedtolerancesareforwater phantom andplasticwaterphantom0±7HU, blood+30 HU to+45HU, soft tissue+37 HUto+300 HU andbone+700HUto+3000 HU.
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