نتایج جستجو برای: mean glandular dose

تعداد نتایج: 871785  

Journal: :The American journal of surgical pathology 2009
Jeremy S Miller Jonathan I Epstein

Noninvasive urothelial carcinoma (UC) with glandular differentiation in the absence of infiltrating carcinoma is a rare entity that has not been well characterized. We retrieved 24 cases of noninvasive UC of the bladder with glandular differentiation on biopsy (n=20) or transurethral resection (n=4) without an associated invasive component. The cases were identified from the consult files of on...

Journal: :journal of dental materials and techniques 0
jahanshah jahanshah salehinejad dental research center, department of oral and maxillofacial pathology, faculty of dentistry, mashhad university of medical sciences, mashhad, iran shadi shadi saghafi oral and maxillofacial diseases research center, department of oral and maxillofacial pathology, faculty of dentistry, mashhad university of medical sciences, mashhad, iran narges narges ghazi dental research center, department of oral and maxillofacial pathology, faculty of dentistry, mashhad university of medical sciences, mashhad, iran

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2004
William P. Argo Kathleen Hintenlang David E. Hintenlang

A breast tissue-equivalent series (BRTES) of phantoms is manufactured to mimic both the attenuation and the density of the range of glandular and adipose tissue compositions encountered in mammography. The BRTES simulates breast tissues across the range of 20% to 70% glandularity and can be assembled in a variety of thicknesses to represent a compressed breast thickness corresponding to glandul...

2016

The estimation of the mean glandular dose to the breast (MGD) for x-ray based imaging modalities forms an essential part of quality control and is needed for risk estimation and for system design and optimisation. This review considers the development of methods for estimating the MGD for mammography, digital breast tomosynthesis (DBT) and dedicated breast CT (DBCT). Almost all of the methodolo...

Journal: :Postgraduate Medical Journal 1935

2007
DC Spelic RV Kaczmarek M Hilohi S Belella

PURPOSE The Mammography Quality Standards Act (MQSA) was enacted in 1992 to set national standards for high-quality mammography, including standards for mammographic X-ray equipment, patient dose, clinical image quality, and related technical parameters. The MQSA also requires minimum qualifications for radiologic technologists, interpreting physicians and medical physicists, mandates acceptabl...

Journal: :jundishapur journal of natural pharmaceutical products 0
elaheh oreizi department of sciences, faculty of biology, isfahan university, isfahan, ir iran; department of sciences, faculty of biology, isfahan university, isfahan, ir iran. tel: +98-9132276271 mohammad reza rahiminejad department of sciences, faculty of biology, isfahan university, isfahan, ir iran gholamreza asghari isfahan pharmaceutical sciences research center, faculty of pharmacy, isfahan university of medical sciences, isfahan, ir iran

results glandular trichomes composed of capitates and peltate trichomes. the essential oil composition differs. viridiflora and neryl acetate were not identified in yellow glandular trichomes. conclusions it seems that there is no relation between anatomical characteristics of the plant leaves and its essential oil composition. background perovskia abrotanoides karel. is a medicinal plant used ...

2016

The estimation of the mean glandular dose to the breast (MGD) for x-ray based imaging modalities forms an essential part of quality control and is needed for risk estimation and for system design and optimisation. This review considers the development of methods for estimating the MGD for mammography, digital breast tomosynthesis (DBT) and dedicated breast CT (DBCT). Almost all of the methodolo...

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