PMC4592736_01
Anteroposterior X-ray pelvis showing right THR and left hip resurfacing.
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A plain radiograph of her pelvis showed satisfactory positioning of right uncemented total hip replacement with 36 mm metal-on-metal articulation (Corail/Pinnacle) and left hip resurfacing, without adverse features (Figure 1).
MARS MRI showing a left retroperitoneal cystic mass lesion (74 mm x 32 mm) noted anteriorly and extending into the iliopsoas bursa.
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Further, a smaller cystic lesion was also noted around the greater trochanter (20 mm in length x 5 mm in width) (Figure 2).
CT angiography showing a large cystic mass compressing the left iliac vessels.
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