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《Journal of Bethune Military Medical College》 2007-01
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CT Diagnostic Analysis of 100 Cases with Medulloblastoma

WANG Xueren, LIU Meili, WANG Jungui.Department of Radiology, the Second People's Hospital of Wuqing, Tianjin 301700, China  
Objective The CT images in 100 patients with medulloblastoma were retrospectively analyzed.Methods All the patients examined by the CT.Scanning the medulloblastoma by 2.0 mm slice thickness and contrastenhance,and 65 cases of them were examined by MRI scanning.All the patients were confirmed by surgery and pathology . Results The CT images showed that medulloblastorn was commonly seen in the children under the age of 15(90%),and it frequently situated at the inferiorwom of cerebellum,while in adults it involved the cerebellum hemisphere.The medulloblastorn was rich in blood supply.Cystic change or necrosis (25%) and occasional calcification (7%) were observed in these patients.Operation could not treat completely.The recurrence rate was high.The survival rates of 1 year,5 years and 10 years were 82%,39% and 12% respectively.The features of CT images on modulloblastoma showed high or slightly high attenuation with homogenious enhancement (75%).These were only 8% cases without obvious enhancement.Conclusion Medulloblastoma has a very high malignancy and poor prognoses.The CT images are specifically helpful in diagnosis of medulloblastoma.The accurate rate of diagnose is 98%.
【CateGory Index】: R739.4
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