introduction: to examine the hypothesis that diffusion weighted imaging (dwi) in lumbosacral region could reveal sciatic nerve course swelling that lead to lower extremity pain. the aim of present article was to find and evaluate the diffusion weighted coefficients (b-values) for scrutinizing sciatic nerve tract changes in lumbosacral region. materials and methods: lumbar area was imaged in 30 ...

background metastatic spinal tumors are common and major causes of pathological spinal fractures that result in severe pain, weakness, and progressive neurological deficits. this study aims to evaluate the efficacy of percutaneous vertebroplasty (pvp) in pain-relief in patients with spinal fractures due to metastatic spinal tumors. methods we evaluated 25 documented cases of metastatic spinal t...

abstract   backgrounds: pott's disease is a rare form of extrapulmonary tuberculosis, and   presents with several clinical patterns. delay in diagnosis and management may   cause serious complications. we conducted a retrospective study between 1991-   2006 to evaluate clinical presentation, radiologic and laboratory findings, and therapeutic   approaches to spinal tuberculosis.   methods:...

background: we aimed to define and compare the risk factors of spinal and femoral osteoporosis in postmenopausal iranian women. method: it was a multicentre based study carried out in two stages during 2002 to 2005 among post menopausal women in tehran. in first stage case group included 140 women with diagnosed spinal osteoporosis using dexa method as definition of who and controls were 167 wo...

abstract   backgrounds: pott's disease is a rare form of extrapulmonary tuberculosis, and presents with several clinical patterns. delay in diagnosis and management may cause serious complications. we conducted a retrospective study between 1991- 2006 to evaluate clinical presentation, radiologic and laboratory findings, and therapeutic approaches to spinal tuberculosis.   methods: we reviewed ...

abstract   background: far lateral discal herniation is an uncommon disorder and is difficult to assess by physical examination alone. this study is designed to define clinical and epidemiological findings and to establish the indications of surgical and medical treatment for flldh.   methods: between 2000 and 2005, a total of 2035 patients with lumbar disc herniation underwent surgical discect...

conclusions application of pedicular screw in unstable upper and middle thoracic spine fractures is an effective method that can correct kyphotic deformity and anterolisthesis and improve neurologic deficit. background treatment of unstable upper and middle thoracic spine fractures remains controversial. there is no consensus regarding optimal treatment. objectives in this study, we evaluated t...

background: cervical spine sustains most of thevertebral column injuries, among other injuries, the disc degeneration and damage that lead to replacement of the damaged disc with cage or artificial disc. methods: the c4 to c6 vertebrae of a normal subject and a person with interbody fusion cage were 3d modelled and then analyzed using finite element method. the results of maximum stress and str...