title: MR imaging features of obturator internus bursa of the hip.
abstract: The authors report two cases with distension of the obturator internus bursa identified on MR images, and describe the location and characteristic features of obturator internus bursitis; the "boomerang"-shaped fluid distension between the obturator internus tendon and the posterior grooved surface of the ischium.
authors.affiliation: Department of Radiology and Medical Research Institute, School of Medicine, Ewha Womans University, Seoul, Korea. mshjy@ewha.ac.kr
authors.forename: Ji Young
authors.initials: JY
authors.lastname: Hwang
authors.forename: Sun Wha
authors.initials: SW
authors.lastname: Lee
authors.forename: Jong Oh
authors.initials: JO
authors.lastname: Kim
mesh_terms: D000328:Adult; D002062:Bursitis / Q000175:diagnosis*; D006621:Hip Joint; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male