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Comparative study between cone beam CT and new low - dose multidetector CT protocol in assessment of maxillary sinus diseases = دراسة مقارنة بين التصويرالمقطعى مخروطى الشعاع وبروتوكول التصوير المقطعى متعذد الكواشف ذو الجرعة الجديده المنخفضة لتقييم أمراض الجيب الفكى العلوى / Abeer Abdulkareem Almashraqi ; Supervised Nashwa Salah Mohamed , Eman Abdelaziz Ahmed , Nader Abdelsalam Elsherbini

By: Contributor(s): Material type: TextTextLanguage: English Publication details: Cairo : Abeer Abdulkareem Almashraqi , 2014Description: 280 Leaves : charts , facsimiles ; 30cmOther title:
  • دراسة مقارنة بين التصويرالمقطعى مخروطى الشعاع وبروتوكول التصوير المقطعى متعذد الكواشف ذو الجرعة الجديده المنخفضة لتقييم أمراض الجيب الفكى العلوى [Added title page title]
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Dissertation note: Thesis (Ph.D.) - Cairo University - Faculty of Oral and Dental Medicine - Department of Oral Radiology and Diagnosis Summary: This study was performed to compare the radiation dose and image quality of the cone beam CT and new low - dose MDCT protocols in assessment of maxillary sinus diseases. This was conducted by division of this research into two parts; first part: in - vitro study and second part: in-vivo study. The first part of this study was carried out in order to select the low - dose MDCT protocol using 16 - MDCT scanner and CBCT protocol using i - CAT scanner that were used in the second part depending on radiation dose measurements and image quality assessments. Firstly, ten MDCT protocols were examined by changing the mAs and pitch factor starting from the standard MDCT protocol until the cutoff value of a non - diagnostic image quality was reached. Then, three CBCT protocols were examined by changing the mAs and voxel size until the best diagnostic image quality with an appropriate dose was obtained. The second part of the present study was conducted on thirty Egyptian patients (18 males and 12 females) with an age range between 10 - 40 years old and a mean age of 20.8 ± 9.7 years
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Item type Current library Home library Call number Copy number Status Date due Barcode
Thesis Thesis قاعة الرسائل الجامعية - الدور الاول المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.09.05.Ph.D.2014.Ab.C (Browse shelf(Opens below)) Not for loan 01010110065469000
CD - Rom CD - Rom مخـــزن الرســائل الجـــامعية - البدروم المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.09.05.Ph.D.2014.Ab.C (Browse shelf(Opens below)) 65469.CD Not for loan 01020110065469000

Thesis (Ph.D.) - Cairo University - Faculty of Oral and Dental Medicine - Department of Oral Radiology and Diagnosis

This study was performed to compare the radiation dose and image quality of the cone beam CT and new low - dose MDCT protocols in assessment of maxillary sinus diseases. This was conducted by division of this research into two parts; first part: in - vitro study and second part: in-vivo study. The first part of this study was carried out in order to select the low - dose MDCT protocol using 16 - MDCT scanner and CBCT protocol using i - CAT scanner that were used in the second part depending on radiation dose measurements and image quality assessments. Firstly, ten MDCT protocols were examined by changing the mAs and pitch factor starting from the standard MDCT protocol until the cutoff value of a non - diagnostic image quality was reached. Then, three CBCT protocols were examined by changing the mAs and voxel size until the best diagnostic image quality with an appropriate dose was obtained. The second part of the present study was conducted on thirty Egyptian patients (18 males and 12 females) with an age range between 10 - 40 years old and a mean age of 20.8 ± 9.7 years

Issued also as CD

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