Atypical retroperitoneal extension of iliopsoas bursitis.
We report two rare cases of iliopsoas bursitis extending into the retroperitoneal space. The first lesion contained much gas, mimicking a retroperitoneal abscess, and the second was responsible for atypical inguinal pain. The diagnosis was made by contrast-enhanced CT in both cases and arthrography in the first case. Iliopsoas bursitis in these two patients, it is hypothesized, extended into the retroperitoneum, at least in part, by way of intraneural or perineural structures.
Department of Diagnostic Imaging, Cliniques St. Luc, Rue St Luc 8, 5004 Bouge (Namur), Belgium. bcoulier@belgacom.net
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D000368:Aged; D000369:Aged, 80 and over; D001175:Arthrography; D002062:Bursitis / Q000000981:diagnostic imaging*; D006621:Hip Joint / Q000000981:diagnostic imaging*; D006801:Humans; D008297:Male; D008875:Middle Aged; D016658:Psoas Muscles; D012187:Retroperitoneal Space; D014057:Tomography, X-Ray Computed