Takashi Kirita

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STUDY DESIGN The DRG neuron was electrophysiologically investigated using a rat model with constriction of the proximal site of the DRG. OBJECTIVES To investigate the pathomechanisms of lumbar radiculopathy, we established a rat model with constriction of the proximal site of the DRG. And to characterize the DRG neurons in the rat model of lumbar(More)
To investigate the clinical characteristics of insufficiency fracture of the spine, patients aged 65 years or older, who had been hospitalized for acute low back pain without either an acute traumatic event or a previous history of malignant disease, were examined by plain radiographs and technetium-99m methylene disphosphonate bone scanning. Fifteen(More)
STUDY DESIGN DNA array analysis of dorsal root ganglion (DRG) using a rat model with nerve root constriction. OBJECTIVE To determine the molecular changes in the DRG adjacent to the injured nerve root in a lumbar radiculopathy model. SUMMARY OF BACKGROUND DATA DNA array analysis in lumbar radiculopathy model has so far focused on the spinal dorsal horn.(More)
A rat model of lumbar root constriction with an additional sympathectomy in some animals was used to assess whether the sympathetic nerves influenced radicular pain. Behavioural tests were undertaken before and after the operation. On the 28th post-operative day, both dorsal root ganglia and the spinal roots of L4 and L5 were removed, frozen and sectioned(More)
Pancreaticobiliary maljunction (PBM) is frequently associated with biliary cancer due to reflux of pancreatic enzymes into the choledochus, and even after surgery to correct the PBM such patients still have a risk of residual bile duct cancer. Here, we report the case of a 59-year-old female with carcinoma of the papilla of Vater which developed 2.5 years(More)
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