brain tumors in elderly are increasing as the number of people, who comprise the older population, does.about half of the patients with brain tumors appear to be over 60 years of age.in this review article, glioblastoma multiform, as the most common malignant tumor of the central nervous system in elderly is discussed in details of definition, prognosis, diagnosis, treatment and differential di...

Objective(s): This study aimed to evaluate the role of pretreatment SUVmax and volumetric FDG positron emission tomography (PET) parameters in the differentiation between benign and malignant mediastinal tumors. In addition, we investigated whether pretreatment SUVmax and volumetric FDG-PET parameters could distinguish thymomas from thymic carcinomas, and low-risk from high-risk thymomas.Method...

Brain tumors, which is one of the destructive forms of human being’s cancers, are the second most common children’s cancers. Brain tumors may have an inherited (small percent), acquired reasons due to environmental factors. Nowadays advances in cosmetic industry have increased our ability in the field of youth and beauty. Hair dye products are such innovations. Recent studies showed...

breast cancer is common and is considered second cause of cancer related mortality in females. regarding importance of breast cancer, more investigation in this field is recommended. for many years investigators believed that neoplasms were not innervated but new findings have proved otherwise. this descriptive study was carried out to compare number of nerve fibers in benign, malignant and nor...

This presentation analyses the histological types, relative incidences, age, sex and anatomical distributions of one hundred and seventy-nine biopsy proven tumors of the spinal canal from a general hospital in Iran. Particular attention is paid to differences in the relative incidence of these tumors compared with that in various published reports and the statistics from several eastern co...

introduction: there is many ways to assessing the electrical conductivity anisotropy of a tumor. applying the values of tissue electrical conductivity anisotropy is crucial in numerical modeling of the electric and thermal field distribution in electroporation treatments. this study aims to calculate the tissues electrical conductivity anisotropy in patients with sarcoma tumors using diffusion ...

abstract background: osteoid osteoma is a benign bony neoplasm and its classic treatment is surgery. in the r ecent decades percutaneous laser therapy was suggested to be replaced by surgery. in this study we have reviewed the results of the first applications of interstitial laser photocoagulation (ilp) for treatment of osteoid osteoma in iranian patients. materials and methods: in this case s...

testicular cancer typically spreads to the lymph nodes, but hematogenous dissemination to distant organs can also occur. bone metastasis is uncommon and is thought to be a poor prognostic indicator. jaw metastasis is exceedingly rare but is of great clinical significance, since it may be the first sign of an occult testicular cancer or the first evidence of relapse of a known tumor. herein, we ...

radioiodinated meta iodobenzylguanidine (mibg) is one of the important radiopharmaceuticals in nuclear medicine. [123/131i]mibg is used for imaging of adrenal medulla, studying heart sympathetic nerves, treatment of pheochromacytoma and neuroblastoma. for clinical application, radioiodinated mibg is prepared through isotopic exchange method, which includes replacement of radioactive iodine in a...

purpose : choroidal melanoma is the most common primary ocular malignancy among the adult population. authors investigated the clinical findings, histopathologic features, types of retinal detachment and the precise anatomic origin of enucleated eyes for primary ocular malignant melanoma in shiraz university of medical sciences (sums) hospitals between 1990 and 2005. methods : this was a cross ...