PMC3443986_01
Pelvic magnetic resonance imaging: coronal T2-weighted imaging shows a well-capsulated, hyperintense, solid mass (black arrow), next to the iliac vessels (white arrow).
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fig1
The abdominal ultrasound showed a 60 mm hypoechoic retroperitoneal mass located between the right iliac vessels bifurcation.The RM study revealed a 7 x 4 cm homogeneous mass of soft-tissue attenuation, iso-intense to muscle in signal intensity on T1-weighted and hyper-intense on T2-weighted MR imaging with intense and homogeneous enhancement in dynamic contrast sequences (Figures 1 and 2).
Pelvic magnetic resonance imaging: axial GE-T1 fat sat with gadobenate dimeglumine in venous phase shows intense enhancement (black arrow), similar to the vessels (white arrow).
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fig2
The abdominal ultrasound showed a 60 mm hypoechoic retroperitoneal mass located between the right iliac vessels bifurcation.The RM study revealed a 7 x 4 cm homogeneous mass of soft-tissue attenuation, iso-intense to muscle in signal intensity on T1-weighted and hyper-intense on T2-weighted MR imaging with intense and homogeneous enhancement in dynamic contrast sequences (Figures 1 and 2).
Selective right iliac arteriography prior to embolization, that demonstrates pront enhancement of the lesion (arrow) after contrast infusion. RCIA: right common iliac artery, REIA: right external iliac artery, RIIA: right internal iliac artery.
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fig3
Preoperative embolization of the feeding arteries was performed to decrease intraoperative bleeding (Figure 3).