aluminum is present in very small amounts in living organisms but abundant in the environment. a growing literature links with the biochemistry of aluminum and also with a series of diseases in chronic renal failure patients on treatment with hemodialysis. the initial description of potential aluminum toxicity in renal failure patients relates to description of dialysis encephalopathy syndrome ...

a man with metastatic carcinoma of the colon had a bone scan which revealed urinary retention in the leftkidney. ten months later, a tc-99m-dtpa renai glomerular study showed the left kidney to have only 8% oftotal renal function. fifteen months after that, (he same kidney demonstrated 9% of total function, while theright kidney had evolving obstruction due to his neoplasm. the case shows that ...

introduction the nasolabial flap (nlf) has many advantages in oromaxillary reconstruction, but the majority of cases are reconstructions after pathologic resections. its usage in trauma surgery, especially in the management of gunshot wounds, is rarely mentioned. case presentation three cases involving gunshot injuries to the face are presented: one for reconstruction of the nasal ala, another ...

Bone augmentation requires scaffold to promote forming of natural bone structure. Currently most of the reported bone scaffolds are porous solids with uniform pores. The aim of the present study is to evaluate the effect of a graded porous β-tricalcium phosphate scaffolds on alveolar bone augmentation. Three groups of scaffolds were fabricated by a template-casting method: (1) graded porous sca...

today, the treatment of patellar luxations using current techniques has become a very common procedureas part of the surgical treatment. nevertheless, there are some doubts about such procedures in restraining the patella in lower grade cases. the purpose of the present retrospective clinical study was to determine theefficacy of the soft tissue and bone reconstructive procedures used for vario...

primary bone tumors are the sixth most common neoplasm occurring in children and constitute approximately 6% of all childhood malignancies with a peak incidence in 15- to 19-year- old individuals. these lesions are the third most common tumors in adolescents and young adults (exceeded only by leukemia and lymphoma) common complaints are intermittent to constant mild to severe pain, constitution...

  Skeletal tuberculosis is an unusual disease involving bone and joints and it may have different manifestations. This report introduces a 25-year-old woman suffering from chronic knee pain without any response to conservative treatments for one year. X-ray was normal but CT-scan and MRI indicated a small lesion in medial condyle of the femur. The patient underwent percutaneous CT-guided biopsy...

in this research, anatomical descriptions of the structure of the temporal bone and auditory ossicles have been performed based on dissection of ten guinea pigs. the results showed that, in guinea pig temporal bone was similar to other animals and had three parts; squamous, tympanic and petrous .the tympanic part was much better developed and consisted of oval shaped tympanic bulla with many re...

introduction: the aim of this research was to study the effect of a 6-week supplemented diet on increasing bone density by measuring calcium, phosphorus and bone mineral density (bmd) in male rats. materials and methods: in this experimental study, 24 wistar male rats, aged between 15 and 20 days, were selected. the rats were randomly divided into 3 groups: immune system supplement (iss), iss p...