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KMID : 1141320190340010038
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Kosin Medical Journal
2019 Volume.34 No. 1 p.38 ~ p.46
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Comparative Study of Dynamic Susceptibility Contrast Perfusion MR Images between Warthin's Tumor and Malignant Parotid Tumors
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Park Shin-Young
Kim Hak-Jin
Cha Won-Jae
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Abstract
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Objectives: To identify diagnostically meaningful differences between Warthin’s tumor and malignant masses in the parotid gland by dynamic susceptibility contrast (DSC) MR imaging
Methods: Eleven malignant parotid tumors and 9 Warthin’s tumors were included. MR imaging was performed on all patients. Signal intensity time curves of tumors were obtained by DSC MR imaging and dynamic susceptibility contrast percentages (DSC%) were calculated.
Results: No significant difference was observed between malignant tumors and Warthin’s tumors (P = 0.437), although DSC% values tended to be higher for Warthin’s tumors.
Conclusions: Warthin’s tumor tended to have higher DSC% values than malignant parotid tumors, but this difference was not significantly different.
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KEYWORD
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Dynamic susceptibility contrast perfusion MR image, Parotid gland tumor, Warthin's tumor
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