نتایج جستجو برای: lung tissue dosimetry

تعداد نتایج: 1182379  

Journal: :Journal of Applied Clinical Medical Physics 2004

Journal: :Photodiagnosis and photodynamic therapy 2006
Timothy C Zhu Jarod C Finlay

We provide a review of the current state of dosimetry in prostate photodynamic therapy (PDT). PDT of the human prostate has been performed with a number of different photosensitizers and with a variety of dosimetry schemes. The simplest clinical light dose prescription is to quantify the total light energy emitted per length (J/cm) of cylindrical diffusing fibers (CDF) for patients treated with...

Journal: :iranian journal of allergy, asthma and immunology 0
marjan mosayebzadeh immunoregulation research center, shahed university, tehran, iran tooba ghazanfari immunoregulation research center, shahed university, tehran, iran alireza delshad department of anatomical sciences and pathology, faculty of medicine, shahed university, tehran, iran hassan akbari department of pathology, shahid beheshti university of medical sciences, tehran, iran

lung exposure to sulfur mustard (sm) results in pulmonary complications, which is the main cause of long-term disability and morbidity. up to now, the precise mechanisms of sm-induced lung complications has not been identified. the aim of this study was to evaluate apoptosis in the lung tissue of sm-exposed individuals. the study was performed on archived lung paraffin-embedded tissue specimens...

 Connective tissue diseases, including scleroderma, may be associated with an increased risk of lung cancer. The most common type of lung cancer associated with systemic sclerosis is adenocarcinoma or bronchoalveolar carcinoma, and small cell carcinoma is rare. This reports presents a 54-year-old non-smoker woman with a history of scleroderma who was examined due to aggravation of shortness of ...

2013
Jie Qiu Zhikai Liu Bo Yang Xiaorong Hou Fuquan Zhang

BACKGROUND AND PURPOSE To present a novel helical TomoTherapy-based method for whole breast radiotherapy that has better dosimetry and also has acceptable low-dose regions for lungs, heart, and contralateral breast compared with tangential field-in-field IMRT (FIF-IMRT). MATERIAL AND METHODS Ten patients with left-side breast cancer were planned with low-dose-area-constrained helical TomoTher...

Journal: :Radiation Oncology (London, England) 2009
Giorgia Nicolini Alessandro Clivio Antonella Fogliata Eugenio Vanetti Luca Cozzi

PURPOSE A study was performed comparing dosimetric characteristics of volumetric modulated arcs (RapidArc, RA) and fixed field intensity modulated therapy (IMRT) on patients with bilateral breast carcinoma. MATERIALS AND METHODS Plans for IMRT and RA, were optimised for 10 patients prescribing 50 Gy to the breast (PTVII, 2.0 Gy/fraction) and 60 Gy to the tumour bed (PTVI, 2.4 Gy/fraction). Ob...

Journal: :Cancer 2007
David C Hodgson Eng-Siew Koh Tu Huan Tran Mostafa Heydarian Richard Tsang Melania Pintilie Tony Xu Lei Huang Rainer K Sachs David J Brenner

BACKGROUND Estimates of radiation-related second cancer risk among Hodgkin lymphoma survivors are largely based on radiation therapy (RT) fields and doses no longer in use, and these estimates do not account for differences in normal tissue dose among individual patients. This study gives individualized estimates for the risks of lung and female breast cancer expected with contemporary involved...

Journal: :Journal of Applied Clinical Medical Physics 2004

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