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Value of magnetic resonance imaging in staging diagnosis of posterior fossa tumor in children / 肿瘤研究与临床
Cancer Research and Clinic ; (6): 815-818, 2017.
Article in Chinese | WPRIM | ID: wpr-664293
ABSTRACT
Objective To explore the value of magnetic resonance imaging(MRI)in staging diagnosis of posterior fossa tumor in children. Methods The MRI features of low and high grade tumor for posterior fossa brain tumors confirmed by pathology in 19 children treated in Children's Hospital of Chongqing Medical University from January 2012 to December 2013 were retrospectively reviewed. The measurement of gross tumor volume, the ratio of solid component, the rate of brain edema and the tumor cystic degeneration rate were studied with statistical analysis, all datum were classified according to the World Health Organization (WHO) central nervous system tumor classification criteria. Results There were 5 cases in cerebellum and 4 cases in four ventricle in the low grade tumor group;there were 6 cases in four ventricle and 4 cases in cauda cerebelli in the high grade tumor group. Combined obstructive hydrocephalus the low grade tumor group had 8 cases(8/9), the high grade tumor group had 10 cases (10/10). The gross tumor volume (51.2±3.2) mm3for the low grade tumor group, (31.9±1.8) mm3for the high tumor group, there was significantly statistical difference (t= 2.591, P = 0.019). The ratio of solid components 41.7 % for the low grade tumor group, 66.1 % for the high tumor group, there was also significantly statistical difference (χ 2= 6.52, P < 0.05). Combined the edema around brain parenchyma the low grade tumor group had 4 cases(4/9), the high grade tumor group had 4 cases (4/10), there was no statistical difference (χ2= 2.591, P = 0.274). The tumor cystic degeneration the low grade tumor group had 9 cases (9/9), the high grade tumor group had 4 cases (4/10), there was no statistical difference (χ2= 0.052, P = 0.819). Conclusions MRI has high clinical application values in staging diagnosis of posterior fossa brain tumor in children. It can provide the basis for clinical operation plan.

Full text: Available Index: WPRIM (Western Pacific) Type of study: Diagnostic study Language: Chinese Journal: Cancer Research and Clinic Year: 2017 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Diagnostic study Language: Chinese Journal: Cancer Research and Clinic Year: 2017 Type: Article