Minimization Of Entrance Surface Dose And Critical Organ Dose For Medical Radiography Using Optimization Procedures
In hospitals, clinics, nursing homes, and medical laboratories, diagnostic radiography is extensively used to view internal structures of a patient and to aid radiologists and doctors diagnose and treat illness and injury. The most common medical radiography is by passing x-rays through the body...
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| Main Author: | |
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| Format: | Thesis |
| Language: | English English |
| Published: |
2010
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| Online Access: | http://psasir.upm.edu.my/id/eprint/11985/1/FS_2010_2_A.pdf http://psasir.upm.edu.my/id/eprint/11985/ |
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| Summary: | In hospitals, clinics, nursing homes, and medical laboratories, diagnostic
radiography is extensively used to view internal structures of a patient and to aid
radiologists and doctors diagnose and treat illness and injury. The most common
medical radiography is by passing x-rays through the body and captures the image of
the patient by means of a sensitized film. This radiographic procedure must feature
the system of dose optimization and limitation known as the practice of ALARA (as
low as reasonably achievable) recommended by the International Commission on
Radiological Protection. The measurements of the entrance surface dose (ESD) and
the critical organ dose (COD) in common medical radiography are very important to
ensure the dose limit received by the patient in a single radiographic exposure must
fulfill the ALARA principle. The most useful way to evaluate ESD is either by
indirect measurement on a phantom using an ionization chamber or thermo
luminescent dosimeter (TLD) or using calculation based on mathematical model. |
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