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Characterization of focal hepatic masses by dynamic contrast-enhanced MR imaging: findings in 311 lesions by Shawn P. Quillin; Serhan Atilla; Jeffrey J. Brown; Joseph A. Borrello; Chin-Yin Yu; Thomas K. Pilgram is a Medicine article available to read on EtoBox.
What is Characterization of focal hepatic masses by dynamic contrast-enhanced MR imaging: findings in 311 lesions about?
This study aimed to determine the overall accuracy of known enhancement patterns for the characterization of a large series of focal hepatic masses on dynamic contrast-enhanced magnetic resonance (MR) images. Breath-hold T1-weighted images of the liver acquired before intravenous gadolinium administration and serially over 6-10 min after contrast injection were acquired in < 25 a using FLASH or rapid spin-echo pulse sequences. A total of 311 proven focal hepatic masses in 128 patients were analyzed, including 192 malignant lesions (166 metastases and 26 hepatomas) and 119 benign lesions (48 cavernous hemangiomas, 45 hepatic cysts, and 26 other abnormalities). The lesions were evaluated for a variety of characteristics independently by two reviewers who were blinded to results. Cavernous hemangiomas showed early peripheral nodular enhancement (80% sensitivity and 99% specificity) and hepatic cysts showed no enhancement (100% sensitivity and 95% specificity). Hepatic metastases showed variable, moderate enhancement (47% by one reviewer and 74% by the other). Metastatic lesions from hypervascular primary neoplasms displayed peak enhancement during the hepatic artery dominant (bolus) p
Who reads Characterization of focal hepatic masses by dynamic contrast-enhanced MR imaging: findings in 311 lesions?
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- Author
- Shawn P. Quillin; Serhan Atilla; Jeffrey J. Brown; Joseph A. Borrello; Chin-Yin Yu; Thomas K. Pilgram
- Publisher
- Elsevier Science; Elsevier ; Elsevier BV (ISSN 0730-725X)
- Published
- 1996
- Language
- EN
- Field
- Medicine (Health Sciences)