Hip Pelvis.  2013 Sep;25(3):189-196. 10.5371/hp.2013.25.3.189.

Ultrasonographic Usefulness for Diagnosis of Acetabular Labral Tear

Affiliations
  • 1Department of Orthopedic Surgery, Seoul Bumin Hospital, Seoul, Korea.
  • 2Department of Orthopedic Surgery, Busan Bumin Hospital, Busan, Korea.
  • 3Mirae Orthopedic Surgery Clinic, Nonsan, Korea.
  • 4Department of Orthopedic Surgery, Chungnam National University School of Medicine, Daejeon, Korea. dshwang@cnu.ac.kr

Abstract

PURPOSE
This study evaluated the usefulness of ultrasonography for a diagnosis of acetabular labral tear in femoroacetabular impingement (FAI).
MATERIALS AND METHODS
From March 2010 to October 2011, an ultrasonographic examination was performed in 58 patients(58 hips: 26 men and 32 women) with acetabular labral tear. The sensitivity and positive predictive value of ultrasonography were evaluated for 58 cases with acetabular labral tear confirmed by hip arthroscopy.
RESULTS
The sensitivity and positive predictive value for an acetabular labral tear using ultrasonography was 89.6% and 100%, respectively. The concordance rate of an acetabular labral tear between arthroscopy and ultrasonography was 84.6%.
CONCLUSION
Hip ultrasonography can make a significant contribution to a pathologic diagnosis and isa useful diagnostic tool for acetabular labral tears.

Keyword

Acetabular labral tear; Femoroacetabular impingement; Ultrasonography

MeSH Terms

Arthroscopy
Femoracetabular Impingement
Hip
Humans
Male

Figure

  • Fig. 1 Femoral head-neck view (A: acetabulum, L: labrum, FH: femoral head, SR: synovial recess).

  • Fig. 2 Hypoechoic pathologic image around labrum. (A) Paralabral cyst (asterisk). (B) Intra-labral cyst (arrow head).

  • Fig. 3 Location of acetabular labral tear under USG (ASIS: anterior superior iliac spine, AS: anterosuperior, A: anterior).

  • Fig. 4 (A) Identification of ultrasonographic image. (B) Magnetic resonance arthrography. (C) Arthroscopic image.


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