The role of dynamic post-contrast T1-w MRI sequence to characterize lipid-rich and lipid-poor adrenal adenomas in comparison to non-adenoma lesions: preliminary results
The role of dynamic post-contrast T1-w MRI sequence to characterize lipid-rich and lipid-poor adrenal adenomas in comparison to non-adenoma lesions: preliminary results(359 views) Romeo V, Maurea S, Guarino S, Mainenti PP, Liuzzi R, Petretta M, Cozzolino I, Klain M, Brunetti A
Abdom Radiol (ISSN: 2366-0058electronic, 2366-004xprint), 2017 Dec 6; 43(8): 2119-2129.
Department of Advanced Biomedical Sciences, University of Naples Federico II, Via S. Pansini, 5, 80131, Naples, Italy. valeria.romeo@unina.it., Institute of Bio-Structures and Bio-Imaging of the National Research Council (CNR), Via Tommaso De Amicis, 80145, Naples, Italy., Department of Translational Medical Sciences, University of Naples Federico II, Via S. Pansini, 5, 80131, Naples, Italy., Cytopathology Service, Department of Public Health, University of Naples Federico II, Via S. Pansini, 5, 80131, Naples, Italy.,
References: Not available.
The role of dynamic post-contrast T1-w MRI sequence to characterize lipid-rich and lipid-poor adrenal adenomas in comparison to non-adenoma lesions: preliminary results
PURPOSE: The purpose of the article is to compare the features of wash-out (WO) parameters between lipid-rich and lipid-poor adrenal adenomas as well as with a group of non-adenoma adrenal lesions. METHODS: 46 patients (36 F and 10 M, median age 58 years) with unilateral adrenal lesions (35 adenomas, 7 pheochromocytomas, 1 carcinoma, and 3 metastases) were prospectively evaluated; adrenal lesions were divided into adenomas (Group 1) and non-adenomas (Group 2). MR imaging was performed with a 3-Tesla scanner using pre- and post-contrast dedicated sequences. On the basis of the evaluation of qualitative chemical-shift (CS) signal intensity (SI) loss, adrenal adenomas were, respectively, divided in Group 1A (n = 25) as lipid-rich and Group 1B (n = 10) as lipid-poor; non-adenoma adrenal lesions were grouped in Group 2 (n = 11). The following parameters were evaluated: size (mm), CS SI index (%), early (5 min), and delayed (10 min) Relative (R) and Absolute (A) WO values (%). RESULTS: The comparison of AWO and RWO showed significant (p
The role of dynamic post-contrast T1-w MRI sequence to characterize lipid-rich and lipid-poor adrenal adenomas in comparison to non-adenoma lesions: preliminary results
No results.
The role of dynamic post-contrast T1-w MRI sequence to characterize lipid-rich and lipid-poor adrenal adenomas in comparison to non-adenoma lesions: preliminary results
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