Is gadolinium necessary for MRI follow-up evaluation of cystic lesions in the pancreas?
Preliminary results Macari, Michael; Lee, Terrence; Kim, Sooah; Jacobs, Stacy; Megibow, Alec J; Hajdu, Cristina; Babb, James 2009 Jan;192(1):159-64, American journal of roentgenology OBJECTIVE: The purpose of our study was to determine whether gadolinium is necessary in the follow-up evaluation of pancreatic cystic lesions. MATERIALS AND METHODS: Fifty-six patients with pancreatic cystic lesions detected on initial MRI and who underwent follow-up MRI were identified. Mean cyst size was 1.9 cm, and mean follow-up was 9.1 months. MRI included multiacquisition T1- and T2-weighted sequences before contrast administration and 3D fat-suppressed T1-weighted images before and after gadolinium administration. Two radiologists independently reviewed the entire initial examination and follow-up MRI using only unenhanced T1- and T2-weighted sequences from the second examination. Each radiologist made one of three recommendations: 1, no follow-up necessary or follow-up imaging in 6-12 months; 2, cy
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