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Abstract #1573

Differentiating Lipid Poor Adrenal Adenomas and Malignant Adrenal Neoplasms by Combination of Dynamic Contrast Enhanced T1 Weighted 3-D Gradient Echo Sequences and Single Shot T2WI :Prelimanary Results

Hina Arif-Tiwari1, David Becker-Weidman2, Bobby T. Kalb1, Diego R. Martin1

1Medical Imaging, University of Arizona, College of Medicine, Tucson, AZ, United States; 2Radiology, Thomas Jefferson University, Philadelphia, PA, United States

Lipid poor AA may be distinguished from malignant adrenal lesions with high specificity through combined assessment of dynamic, postcontrast 3D T1W and ssT2 sequences. Excluding metastatic HCC, there is a 100% PPV for distinguishing lipid poor adrenal adenoma from MA.

Keywords

abdominal abnormal accurate adrenal application approved arterial assessment avid axial blinded bobby categorized characterization chemical classified clinical college combination combined compliant contrast correlation criteria delayed demonstrating diagnosis differential differentiating differentiation distinguished distinguishing dynamic either enhanced enhancement evaluate exams excluding experience fashion features gadolinium gland gradient growth helpful incidental inclusion incorrectly initial interval legend lesion lesions lipid long malignant martin masses materials medical medicine metastatic month multiphase negative neoplasms opposed pair pathologic pathology patients pattern poor positive post potentially predictive principles protocol proved quantitative radiologists radiology relevance resection reviewed selected selection sensitivity shot specificity stability surgical term tools tumor tumors update utility washout years