Introduction: Stereotactic Gamma Knife radiosurgery has been widely used for treating brain tumors. The scattered radiation outside of treatment field (peripheral dose) can induce the secondary cancer to specific organ. This paper investigated the absorbed dose to eyes, thyroid, heart, lung, breast and colon using a Monte Carlo technique for Mird phantom. We also study the ef...

Peripheral primitive neuroectodermal tumor (pPNET) is a highly aggressive small round cell tumor belonging to PNET/Ewing sarcoma family. Ovarian tumors composed of primitive neuroectodermal elements are extremely rare. Herein we reported two cases of peripheral primitive neuroectodermal tumors of ovary in two patients with different clinical presentations. Definite diagnoses were made bas...

background: in radiation therapy, the peripheral dose is important when anatomical structures with very low dose tolerances are involved. in this study, the two available calculation algorithms of the varian eclipse 8.6 treatment planning system(tps), the anisotropic analytic algorithm (aaa) and pencil-beam convolution (pbc) was used to compare measured and calculated peripheral dose distributi...

background: the appendix is considered as part of the gut-associated lymphoid tissue; however, lymphocyte subsets in this tissue are not fully defined. objective: to investigate and compare the function and phenotype of lymphocyte subsets in peripheral blood and appendix of patients with normal and inflamed appendix tissues. methods: peripheral blood samples and appendiceal mononuclear cells we...

Erythrophagocytosis refers to the removal of old and damaged red blood cells by leukocytes and macrophages. Observation of erythrophagocytosis in peripheral blood smear is a rare phenomenon that is mostly observed in paroxysmal cold hemoglobinuria and sporadically in some other pathological conditions. Here, we report a case of erythrophagocytosis by monocyte in peripheral blood of a patient wi...

This research is a quasi experimental study carried out in internal and surgical wards of ali ibn abitaleb hospital to assess the effectiveness of treatment of nitroglycerine ointment appearing on time of phlebitis due to peripheral catheterization.the subjects of this study were 60 hospitalized patients at medical-surgical wards of the hospital,that were divided in two groups:control and test....

conclusions the peripheral arterial disease is more frequent in patients with the severe form of cvi, than in patients without cvi. concomitant risk factors for cvi and pad were high bmi and hypertension. in each patient with severe cvi it is necessary to determine the abpi, in order to exclude the presence of pad. results our results showed that the risk factors for cvi were high body mass ind...

brachial artery aneurysms are rare but potentially limb threatening condition. the presented case here is a 52-year old male referred to the emergency department complaining a sudden onset and progressive pain with coldness of his right upper extremity during brushing. the right upper extremity was pulseless and three-dimensional computed tomography showed an aneurysm of the proximal right brac...