background: in the current study the effect of shielded colpostat on rectum received dose was calculated in cervical brachytherapy using monte carlo (mc) method. materials and methods: two 60co sources of gzp6 brachytherapy unit used for intracavitary treatments were simulated using mcnpx monte carlo code. also the two types of colpostats including shielded and unshielded were simulated inside ...

background: the superiority of antipyretic efficacy of high dose rectal acetaminophen is not well established yet. objectives: the present study aimed to compare the antipyretic effectiveness of high loading dose (30 mg/kg) and standard dose (15mg/kg) of rectal acetaminophen in febrile children. patients and methods: this triple blind randomized clinical trial was conducted on 76 patients aged ...

introduction:  skin  sparing  is  one  of  the  most  desirable  characteristics  of  high  energy  photon  beams. however, the photons emerging from the target of linacs are contaminated by secondary  electrons  as  a  result  of  their  interactions  with  air,  collimators,  flattening  filter  and  any  other  objects in their path. this phenomenon tends to increase the skin dose received b...

introduction: the aim of present study was to estimate effective dose from most common procedures performed in nuclear medicine departments of golestan province. methods: data of nuclear medicine procedures performed in 2 nuclear medicine departments in golestan province were collected during 4 years. effective dose, collective effective dose and effective dose per examination were calculated u...

introduction: pulsatile injection of gnrh in hypothalamic amenorrhea is known to result in ovulation. the aim of this research was to study the effect of non pulsatile gnrh agonist administration on the ovaries of immature rats. material and methods: in this research the immature rats was divided to 7,17 and 27 daysand each were subdivided to four subgroups. subcutaneous injection every 12 hour...

background limited data are available regarding the effects of combined administration of cumin cyminum l. and lime on weight loss and metabolic profiles among subjects with overweight subjects. objectives the current study aimed to assess the effects of combined administration of cumin cyminum l. and lime on weight loss and metabolic profiles among subjects with overweight. patients and method...