PMC2718141_01
Renal hemangioma in a 31-years-old man.. Longitudinal US shows a well-defined round echogenic mass lesion (arrows) containing multiple anechoic areas in the lower pole of the right kidney.
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F1
Ultrasonography revealed a well-defined echogenic mass containing multiple anechoic areas in the inferior pole of the right kidney (Fig. 1).
PMC2718141_02
Renal hemangima in a 31-years-old man.. A. US shows a 1.5 cm-sized mass (arrow) in the pelvis of the left kidney, which is isoechoic to renal parenchyma.. B. Enhanced CT scan shows a non-enhancing, low attenuated mass with lobulated margin (arrows) adjacent to the pelvis.
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F2
US demonstrated a 1.5-cm-sized mass in the pelvis of the left kidney, which was isoechoic to renal cortex (Fig. 2A). Enhanced CT scan showed a lobulated, low attenuated mass adjacent to the renal pelvis (Fig. 2B).
PMC2718141_03
Renal hemangioma in a 31-years-old man.. A. Enhanced CT scan shows a non-enhancing mass with lobulated margin in the lower pole of the left kidney. Unenhanced CT scan shows a high-attenuated mass suggesting hemorrhage (not shown).. B. Gross pathologic specimen shows a hemorrhagic lesion (arrows) at the corticomedullary junction of the lower pole.
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F3
Unehanced CT scan showed a lobulated mass with higher attenuation than the renal parenchyma; after the intravenous administration of contrast material, the mass did not show significant enhancement (Fig. 3A). Pathologic analysis of the specimen showed a hemorrhagic lesion in the corticome-dullary junction of the lower pole (Fig. 3B).