Fig. 1A 72-year-old woman with groin pain. Pelvic sonogram performed at
outside institution, with complex mass identified as being in region of right
adnexa.
Fig. 1B 72-year-old woman with groin pain. Enhanced CT performed at outside
institution shows rounded, low-density lesion (arrows) lying between
right total hip arthroplasty and femoral vessels.
Fig. 1C 72-year-old woman with groin pain. Coronal T2-weighted MRI through
anterior pelvis, performed at outside institution shows ovoid collection
extending along iliopsoas muscle and displacing femoral vessels.
Fig. 1D 72-year-old woman with groin pain. Conventional arthrogram showing
flow of intraarticular contrast into medially located fluid collection
(arrows).