نتایج جستجو برای: superficial x ray therapy

تعداد نتایج: 1312842  

Journal: :Monthly Notices of the Royal Astronomical Society 1982

ژورنال: سنجش و ایمنی پرتو 2016

In this paper, the production mechanisms and the spectral-angular distribution of X-ray Cherenkov radiation (XCR) was investigated in detail and some unique properties of XCR and its applications were discussed. It is shown that, in the vicinity of the atomic absorption edges, the real and the imaginary parts of the refractive index are varied drastically and for some materials the refractive i...

Nozar Ghojevand, Reza Nikpoor,

Intussusception is the most common cause of intestinal obstraction in children aged 3 months to 6 years. Complete understanding of its clinical and radiographic manifestations can play a major role in the early diagnosis and treatment and prevents its complications. In this study plain abdominal X-rays of 51 patients with intussusception were evaluated. Suggestive radiographic signs of the dise...

Journal: :Astrophysics and Space Science 2007

Journal: :Acta crystallographica. Section F, Structural biology and crystallization communications 2009
Jihun Lee Sachiko I Blaber Andre Irsigler Eric Aspinwall Michael Blaber

The rabbit is an important and de facto animal model in the study of ischemic disease and angiogenic therapy. Additionally, fibroblast growth factor 1 (FGF-1) is emerging as one of the most important growth factors for novel proangiogenic and pro-arteriogenic therapy. However, despite its significance, the fundamental biophysical properties of rabbit FGF-1, including its X-ray structure, have n...

2017
M. Alizadeh Zarei M.A. Takhshid A. Behzad Behbahani S.Y. Hosseini M.A. Okhovat Gh.R. Rafiee Dehbidi M.A. Mosleh Shirazi

BACKGROUND Radiation therapy is among the most conventional cancer therapeutic modalities with effective local tumor control. However, due to the development of radio-resistance, tumor recurrence and metastasis often occur following radiation therapy. In recent years, combination of radiotherapy and gene therapy has been suggested to overcome this problem. The aim of the current study was to ex...

Journal: :iranian journal of radiology 0
makhtoom shahnazi department of radiology, loghman-e hakim hospital, shahid beheshti university of medical sciences, tehran, iran; department of radiology, loghman-e hakim hospital, shahid beheshti university of medical sciences, tehran, iran. tel: +98-9121767478 alireza khatami department of radiology, mofid children's hospital, shahid beheshti university of medical sciences, tehran, iran abbas jamzad department of radiology, imam hosein hospital, shahid beheshti university of medical sciences, tehran, iran shomal shohitavi department of radiology, shahid beheshti university of medical sciences, tehran,iran

conclusion according to our findings, ct-guided percutaneous drainage is a safe and effective procedure in the treatment of abdominal abscess and fluid collection. results the average age of the patients was 54 years (range 12 to 79), including 21 (51%) men and 20 (49%) women. the common signs and symptoms were pain (83%) and fever (80.5%). the most prevalent abdominal abscess etiology was prev...

Journal: :Physica medica : PM : an international journal devoted to the applications of physics to medicine and biology : official journal of the Italian Association of Biomedical Physics 2008
Martin J Butson Tsang Cheung Peter K N Yu Sian Price Michael Bailey

Accurate measurement and knowledge of dose delivered under eye shield during superficial X-ray radiotherapy is required for patient peripheral dose assessment. Critical structures can include the cornea, lens and retina. Measurement of dose under eye shields has been historically performed with Thermoluminescent Dosimeters (TLD's) due to their small size and design. Restrictions include the ene...

Journal: :St. Petersburg State Polytechnical University Journal 2015

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