Segmental hyperintensity on T1-weighted MRI of the liver: indication of segmental cholestasis |
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Authors: | T Gabata O Matsui M Kadoya J Yoshikawa K Ueda Y Kawamori T Takashima |
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Affiliation: | Department of Radiology, Kanazawa University, School of Medicine, Japan. |
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Abstract: | The purpose of this study was to determine the relationship between segmental hyperintensity of the liver on T1-weighted images and segmental cholestasis in patients with obstructive jaundice. T1-weighted and T2-weighted MR images were obtained of 73 patients with obstructive jaundice caused by various diseases. Fat-suppressed T1-weighted images were also obtained of 10 patients. Eleven patients with segmental intrahepatic bile duct dilatation (cholestasis) showed segmental hyperintensity on T1-weighted images and/or fat-suppressed T1-weighted images and no signal intensity difference on T2-weighted images. Sixty-two patients with widespread intrahepatic bile duct dilatation showed no intensity difference on T1-weighted and T2-weighted images (P < .01). Segmental hyperintensity on T1-weighted images was correlated with intrahepatic cholestasis. |
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