نتایج جستجو برای: lung tissue dosimetry
تعداد نتایج: 1182379 فیلتر نتایج به سال:
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...
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 ...
ID: 18959 Title: Micro-Dosimetry Study of the Radiation Dose Enhancement at the Gold-Tissue Interface for Nanoparticle-Aided Radiation Therapy
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...
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...
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...
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