background: diarrhea is a well-recognized side effect associated with pelvic radiation; however, there is not any effective common treatment for radiation-induced diarrhea. a popular alternative is probiotics, which have been used in several gastrointestinal disorders. probiotics are live microbial food supplements. furthermore, honey is a putative nutritional with a variety of health effects, ...

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background & aim: glioblastoma multiforme (gbm), the highest grade glioma (grade iv), is the most malignant form of astrocytoma in adults. this study aimed at evaluating the relationship between demographic, clinical and medical factors with gbm outcome. methods & materials/patients: through a cross-sectional design, 58 patients with newly diagnosed gbm were studied from 1999 to 2015 in guilan ...

introduction radiotherapy is regarded as the first treatment of choice for nasopharyngeal carcinoma. despite the advantages of radiotherapy, patients may suffer from a wide range of side-effects due to the presence of many sensitive normal tissues in these regions. if the absorbed dose exceeds the tolerance level in parotid glands and the spinal cord, myelopathy, lhermitte's sign and xeros...

background: delivering the maximum dose to tumor while achieving the minimum dose delivery to normal tissue; is the most important goal in external radiotherapy. diode in vivo dosimetry is widely considered to be an important tool for quality improvement of patient care in external radiotherapy. uncertainty in dose delivery should fall within 5% of the prescribed dose as recommended by internat...

background: pulmonary complications of radiation to breast are inevitable, while its incidence and severity are not clear. one of the methods to assess pulmonary complications is spirometry. the influence of radiotherapy on pulmonary function test and the factors affecting it have been assessed in this study. methods: breast cancer patients with stage ii and iii (based on tnm staging), underwen...

background: radiotherapy plays an important role in the management of most malignant and many benign primary central nervous system (cns) tumors. radiotherapy affects both tumor cells and uninvolved normal cells; so, it is important to estimate absorbed dose to organs at risk in this kind of treatment. the aim of this study was to determine the absorbed dose to chiasma, lens, optic nerve, retin...

Abstract One of the most challenges to effective treatment cancer is radiation resistance. Published data from a notably experiment performed examine ability compound therapy overcome resistance utilized. The chemotherapeutic drug used was vinblastine. included control tumors and which were treated with radiation, chemotherapy, or both. In this paper mathematical model developed. fits reported ...

Background: While randomized trials have established that palliative radiotherapy, especially to bone, can improve qualitative measures of pain, its quantitative relationship opioid prescribing patterns has remained underexplored. We aimed identify the association radiotherapy on prescriptions received among patients with metastatic cancer.

unfortunately, last winter, we lost one of the leaders of radiotherpy-oncology in iran, professor mohammad hossein salehi. he was an excellent teacher, a supportive friend and an experienced physician.professor salehi was born on april 21, 1941 in shirvan. after graduating from high school, he continued his education in mashhad medical school. in 1968 he completed medical school and began the r...