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Browsing Med - Theses by Subject "Radiation dosimetry"

Now showing items 1-11 of 11

Comparison of average glandular dose and image quality between two different target-filter combinations of full-field digital mammography systems

Walaiporn Khuenkaew (Chulalongkorn University, 2009)

Breast cancer is the leading cancer in Thai women while the cancer of the cervix is the second rank. The mammographic system had been developed for the optimization of the radiation dose and image quality to patient. The ...
Comparison of effective dose in phantom from computed tomography using monte carlo simulation and thermoluminescent dosimetry methods

Boonserm Nerysungnoen (Chulalongkorn University, 2007)

Computed tomography (CT) is the examination procedure in diagnostic radiology and the dose given to the patient is higher than general radiographic procedures. This research work is to study the organ doses and effective ...
The determination of patient effective dose in transarterial oily chemo embolization (TOCE) procedure using digital flat-panel system

Pimnuttha Sitthiphan (Chulalongkorn University, 2009)

Transarterial Oily Chemo Embolization (TOCE) is the procedure producing high dose to both patient and staff. Radiation skin injury to patient was reported by this interventional procedure. Therefore, the avoidance of skin ...
Independent software for dose verification in cervical cancer brachytherapy

Watcharaphawn Sanklaa (Chulalongkorn University, 2014)

An independent software is used to verify the radiation dose of Oncentra software at point doses in high-dose–rate (HDR) brachytherapy. MuCheck is a software tool to validate the dose from the treatment planning calculation, ...
MEASUREMENT OF EYE LENS DOSE IN INTERVENTIONAL RADIOLOGIST FROM TACE PROCEDURES USING OSLD

Mananchaya Vimolnoch (Chulalongkorn University, 2017)

For routine clinical service at Section of Interventional Radiology, Department of Radiology, King Chulalongkorn Memorial Hospital (KCMH), TACE procedure has been one of the high exposure procedures, which result in ...
OPTIMIZATION OF RADIATION DOSE AND IMAGE QUALITY IN CHEST RADIOGRAPHY USING DIGITAL MOBILE X-RAY SYSTEM AT KING CHULALONGKORN MEMORIAL HOSPITAL

Piyatas Sangdao (Chulalongkorn University, 2014)

Digital Radiography (DR) has become an important imaging modality at Department of Radiology, King Chulalongkorn Memorial Hospital. In September 2013, the digital mobile x-ray system has been in service on the patient ward ...
RADIATION DOSE AND IMAGE QUALITY IN CHEST REGION USING SINGLE- AND DUAL-ENERGY CT: PHANTOM STUDY

Taninchai Jutawiriya (Chulalongkorn University, 2017)

Chest CT examinations are routinely performed by using single energy protocol (SE). As CT had been evolved by using dual energy protocol (DE), the patients with underlying lung nodules or pulmonary nodules will be followed ...
Radiation dose to patients and medical staff during endoscopic retrograde cholangiopancreatography (ERCP) procedure

Wachirapong Suwanboonrit (Chulalongkorn University, 2009)

To evaluate the radiation dose to patient at two positions (prone and left lateral) and to medical staff during ERCP procedure using dose area product (DAP) meter and thermoluminescent dosimeter (TLD). Data were recorded ...
The radiation dose to staff and patient from intraoperative O-ARM system in Percutaneous Transforaminal Lumbar Interbody Fusion (TLIF) surgery

Jaroonroj Wongnil (Chulalongkorn University, 2014)

The O-Arm system has the capability of combined two-dimensional fluoroscopy and three-dimensional computed tomography for intraoperative procedure. The increasing use of this system raises the concern of radiation exposure ...
Surface dose comparison between Acuros XB and Anisotropic Analytical Algorithmfor breast cancer radiotherapy

Swe Swe Lin (Chulalongkorn University, 2014)

A new algorithm for photon dose calculation, Acuros XB, has been recently introduced in the new version of Eclipse treatment planning, it employs a sophisticated Linear Boltzmann transport equation (LBTE) to account for ...
THE DETERMINATION OF OPTIMAL PROTOCOL FOR DIGITAL CHEST TOMOSYNTHESIS

Sarawut Tongkum (Chulalongkorn University, 2017)

Recently, digital chest tomosynthesis (DTS) is introduced as alternative technique in digital chest radiography for evaluating pulmonary disease and enhancing the internal structures in different slices. However, the ...

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Browsing Med - Theses by Subject "Radiation dosimetry"

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