Ultrasonographic Usefulness for Diagnosis of Acetabular Labral Tear

Pil-Sung Kim; Heung-Tae Jung; Yoo-Sun Jeon; Mun-Jong Lee; Yoojin-Jaejin Park; Deuk-Soo Hwang

doi:10.5371/hp.2013.25.3.189

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Kim, Jung, Jeon, Lee, Park, and Hwang: Ultrasonographic Usefulness for Diagnosis of Acetabular Labral Tear

Original Article

Hip & Pelvis 2013; 25(3): 189-196.

Published online: 30 September 2013

DOI: https://doi.org/10.5371/hp.2013.25.3.189

Ultrasonographic Usefulness for Diagnosis of Acetabular Labral Tear

Pil-Sung Kim, MD, Heung-Tae Jung, MD^*, Yoo-Sun Jeon, MD^*, Mun-Jong Lee, MD^†, Yoojin-Jaejin Park, MD^‡, Deuk-Soo Hwang, MD^‡

Department of Orthopedic Surgery, Seoul Bumin Hospital, Seoul, Korea.

^*Department of Orthopedic Surgery, Busan Bumin Hospital, Busan, Korea.

^†Mirae Orthopedic Surgery Clinic, Nonsan, Korea.

^‡Department of Orthopedic Surgery, Chungnam National University School of Medicine, Daejeon, Korea.

Address reprint request to: Deuk-Soo Hwang, MD. Department of Orthopedic Surgery, Chungnam National University School of Medicine, #33 Munhwa-ro, Jung-gu, Daejeon 301-721, Korea. TEL: +82-42-280-7350, FAX: +82-42-252-7098, dshwang@cnu.ac.kr

Received 17 April 2013 Revised 10 September 2013 Accepted 11 September 2013

(open-access):

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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.

Keywords: Acetabular labral tear, Femoroacetabular impingement, Ultrasonography

Figures and Tables

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.

Table 1

Summary of Acetabular Labral Tear

A: anterior, AS: anterosuperior, P: posterior, PS: posterosuperior.

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