No shinkei geka. Neurological surgery
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Case Reports
[Langerhans cell histiocytosis of the temporal bones with infiltration of temporal muscle: a case report].
A 9-year-old boy presented a painful right painful parietal mass that rapidly enlarged within a month. He had no other symptom of infection or malignancy. Laboratory findings were normal. ⋯ The parietal bone mass was soft and successfully removed. Histological examination disclosed Langerhans cell histiocytosis (LCH) infiltrating the temporal muscle. MR imaging is useful for diagnosis of LCH of the skull with soft tissue involvement.
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Despite advances in surgical techniques and improvements in perioperative care, the incidence of perioperative strokes has not decreased, reflecting the aging of the population and the increased number of patients with complication. We investigated the cases who were consulted due to perioperative stroke. From April, 2004 to March, 2007, a total of 102 patients were referred for neurological evaluation because of perioperative stroke. ⋯ The cause of the cerebral infarction was considered as cerebral embolism in 19 cases. Those who were consulted preoperatively were treated to prevent intraoperative stroke and did not suffer neurological complication. Most stoke in patients undergoing surgery were not related to hypoperfusion but due to embolism.
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Case Reports
[Three cases demonstrating the characteristic neuroimaging of reversible posterior leukoencephalopathy syndrome].
Revisible posterior leukoencephalopathy syndrome (RPLS) is a syndrome defined predominantly by a characteristic pattern of MR images but heterogeneity and reversibility of the abnormalities is unclear. Three patients with characteristic neuroimaging of RPLS are described. Case 1. ⋯ She had left hemianopia and left hemiplegia 1 month later. This report has important implications concerning the accurate early diagnosis of RPLS using MRI including DWI and its utility in prompting initial treatment. It should be noted that some cases demonstrating the characteristic neuroimaging pattern of RPLS do not attain full recovery and that surgical intervention is required in some cases.