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The Differentiation Value of High-grade Gliomas and Primary Intracranial Lymphomas in Susceptibility-weighted Imaging (SWI)

Author: DingYaLing
Tutor: CaoDaiRong
School: Fujian Medical
Course: Medical Imaging and Nuclear Medicine
Keywords: Susceptibility Weighted Imaging (SWI) Conventional MR sequences High-grade gliomas Intracranial lymphoma
CLC: R739.4
Type: Master's thesis
Year: 2011
Downloads: 46
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Abstract


Objective: To evaluate the performance of the high-grade gliomas and primary intracranial lymphoma susceptibility weighted imaging , and evaluation SWI differential diagnosis of both . Materials and Methods: 27 cases confirmed by pathology in patients with high-grade gliomas ( a total of 42 lesions) and 12 patients with intracranial lymphoma patients ( 26 lesions) underwent preoperative SIEMENS Verio 3.0T superconducting MRI scanner the T1WII, T2WI and SWI check ; except one cases of patients with high-grade gliomas , the remaining 38 patients underwent T1WI enhanced scan . Statistics derived in the the tumor visible bleeding lesions , bleeding and tumor venous number of conventional MR sequences and SWI . Lymphoma detection rate of bleeding in these two sequences , respectively, of the high-grade gliomas and intracranial bleeding and in the SWI tumor bleeding rate for statistical analysis , and two kinds of tumors seen in SWI The amount and intratumoral venous rated analyze the statistical difference . Results: conventional MR sequences , six high-grade gliomas lesions and two intracranial lymphoma lesions visible bleeding . SWI , 30 high-grade gliomas lesions and 3 intracranial lymphoma lesions visible bleeding . SWI with conventional MR sequences for bleeding lesions detected a statistically significant difference ( P lt; 0.05 ) in the group of high- grade gliomas . Intracranial lymphoma group , the two sequences of bleeding lesions detected difference was not statistically significant (P gt; 0.05). In SWI check , high grade gliomas and of intracranial lymphoma bleeding rate difference was statistically significant ( P lt; 0.05 ) . SWI , high-grade gliomas 11 lesions in the amount of bleeding may be credited for 1 minute , 19 lesions in the amount of bleeding can be written as 2 points ; vein tumor lesions in 8 number can be written as 1 minute , 21 lesions the number of intratumoral vein can be written as 2 points; intracranial lymphoma and only three lesions in the amount of bleeding may be credited for 1 minute , all lesions were no significant vascular shadow . High - grade gliomas and intracranial lymphoma SWI on the amount of bleeding and the number of intratumoral vein differences were statistically significant ( P lt; 0.05 ) . Conclusion : SWI bleeding the detection of high-grade gliomas sensitive than conventional MR sequences . High-grade gliomas bleeding rate , the amount of bleeding and the number of tumor vein on the SWI than intracranial lymphoma . Therefore , SWI contribute to the identification of high - grade gliomas and intracranial lymphoma .

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