abstract objective: diabetic peripheral neuropathy is the main risk factor of diabetic foot ulcer and its early diagnosis is important to prevent limb amputation. we assessed the prevalence of peripheral neuropathy in diabetic patients. materials and methods: this cross-sectional study was performed on 352 randomly selected diabetic patients using a standardized questionnaire including age, gen...

background: because of the adverse effects of ionizing radiation on fetuses, prior to radiotherapy of pregnant patients, fetal dose should be estimated. fetal dose has been studied by several authors in different depths in phantoms with various abdomen thicknesses (at). in this study, the effect of maternal at and depth in fetal dosimetry was investigated, using peripheral dose (pd) distributio...

cytomegalovirus is the most important pathogen affecting transplant recipients and causing significant morbidity and morbidity. the prevalence of cmv  infections in transplant recipient varies from country to country.  the aim of this study was to determine the prognostic value of pcr assay for cmv  detection in patients before keratoplasty.  a total of 23 patient samples enrolled in this study...

malignant peripheral nerve sheath tumor (mpnst) is a rare malignant tumor that develops either from a preexisting neurofibroma or de novo. the cell of origin is believed to be the schwann cell and possibly other nerve sheath cells. in this report, we describe a rare case of mpnst that arise from the socket of second left maxillary molar that has been already extracted in a young man. he was ref...

background: the standard method for repair of an injured peripheal nerve is epineural repair with separate sutures. herein we describe a method in which the nerve is sutured with continous sutures. in fact this method has not been utilized for nerve repair previously and our purpose was to compare it to the standard method. if it proved to be successful it would replace the standard method in c...

despite promising results observed using silicone rubber chamber, no previous comprehensive work was performed on behavior of the conduit. present study aimed at further functional, histomorphometrical and immunohistochemical assessment of nerve regeneration in the same animal along a 10-mm rat sciatic nerve gap. fifty- four male wistar rats were divided into three experimental groups (n = 18),...

malignant peripheral nerve sheath tumor (mpnst) is a rare nerve sheath tumor derived from schwann cells or pleuripotent cells of neural crest. neurogenic tumors make about 10-20% of all mediastinal tumors. incidence of mpnst is 0.001% in general population and 0.16% in patients with neurofibromatosis i (nf i). we report a case of 60 year female presenting with progressive cough and breathlessne...

introduction: peripheral odontogenic tumors are rare and there is no valid information of the frequency of them in the literature. this study aims to obtain the frequency of these tumors. materials and methods: the files of oral and maxillofacial pathology (microscopic reports and slides), faculty of dentistry, shahid beheshti university of medical sciences served as the source of the material ...

background lichen planus is a disease with unknown etiology that affects the skin and the mucous membranes. immune dysregulation in the pathogenesis of oral lichen planus (olp) is well-known phenomenon. objectives in this study, we compared the levels of the peripheral blood t lymphocytes between patients with olp and control group. patients and methods in this study, 32 and 16 patients respect...

abstract hypotonia is a serious neurologic problem in neonatal period. although hypotonia is a nonspecific clinical finding but it is the most common motor disorder in the newborn. the objective of this study was to determine the frequency of neonatal hypotonia then to ascertain of the most common causes methods this cross –sectional prospective study was carried out on the 3281 term infants ho...