No shinkei geka. Neurological surgery
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Sacroiliac joint (SIJ) can cause low back pain when its joint capsule and ligamentous tissue are damaged. We report our experience in treating three SIJ dysfunction patients presenting with acute low back pain (a 38 year-old male, a 24 year-old male, and a 32 year-old female). SIJ dysfunction was diagnosed using the one-finger test, the modified Newton test, and SIJ injection. ⋯ The two male patients returned to work and the problems have not recurred. Although our female patient resumed daily life as a housewife, her condition recurred at intervals of 2-3 months and she required regular SIJ injections. The prevalence of SIJ dysfunction of low back pain is about 10%, so it should be considered as a differential diagnosis when treating low back pain and designing treatment for lumbar spinal disorders.
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We describe three cases of cerebrospinal fluid edema (CFE) which occurred in hydrocephalic adult patients who underwent ventriculo-peritoneal shunt operations. After shunt operations, the shunt systems were functioning well and symptoms due to hydrocephalus were resolved. ⋯ The one-way valve mechanism is thought to be a possible mechanism of CFE in these cases. Although CFE is a very rare complication to occur after shunt operations, it is necessary to follow up the patients even if the shunt is functioning well.