ABDOMINAL MR IMAGING:
IMPORTANT CONSIDERATIONS FOR EVALUATION OF GADOLINIUM ENHANCEMENT    Fig. 2
Rafael O.P. de Campos MD Vasco Herédia MD Ersan Altun MD Richard C. Semelka MD
Department of Radiology University of North Carolina Hospitals Chapel Hill, NC 27599-7510 USA

Figure 2: Early subphases of enhancement. The early hepatic arterial phase (EHAP) was observed on transverse 2D-GE images

Figure 2: Early subphases of enhancement. The early hepatic arterial phase (EHAP) was observed on transverse 2D-GE images (a, b) acquired on 1.5 T. The mid hepatic arterial phase (MHAP) was observed on transverse 3D-GE images (c, d) acquired on 3.0 T. The contrast enhancement is seen in the aorta, renal arteries and superior mesenteric artery, but there is no contrast enhancement in the veins on both EHAP and MHAP. The renal cortex, spleen, pancreas and liver demonstrate slight enhancement on EHAP. The renal cortex, spleen and pancreas show mild enhancement and the liver shows slight enhancement on MHAP. The minimal enhancement of the normal pancreas (arrow d) reflects the too early acquisition of data in these subphases.

Figure 1: Phases of Enhancement Figure 3: A cirrhotic patient evaluated for possible HCC
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Department of Radiology1 University of North Carolina Hospitals Chapel Hill, NC 27599-7510 USA
Corresponding author:  Richard C. Semelka, M.D. Phone:  (919) 966-9676  Fax: (919) 843-7147  E-mail : richsem@med.unc.edu     -

S.I.A.E.C.M.  -  Dipartimento di Radiologia
Società Scientifica Registrata Ministero della Salute, del Lavoro e delle Politiche Sociali ECM n. 5607
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