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Evaluation of acromial spur using ultrasonography
Hyungsuk Kim1, Syungkyun Choi1, Soo Bin Park1
1Department of Orthopedic Surgery, Eunpyeong St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea.
Clinics in Shoulder and Elbow
|March 2, 2021
Summary
Ultrasonography effectively visualizes acromial spurs, comparable to X-rays. Measurements of acromial spur length using ultrasonography and plain radiography showed no significant difference, with strong correlation.
Area of Science:
- Orthopedics
- Radiology
- Musculoskeletal Imaging
Background:
- Acromial spurs are associated with rotator cuff disorders due to impingement.
- Accurate measurement of acromial spurs is crucial for diagnosis and treatment planning.
Purpose of the Study:
- To evaluate the utility of ultrasonography in visualizing acromial spurs.
- To compare acromial spur measurements obtained via ultrasonography with those from plain radiography.
Main Methods:
- Retrospective analysis of 51 patients with acromial spurs.
- Comparison of measurements from plain radiographs (supraspinatus outlet and 30° caudal tilt views) and preoperative sonograms.
- Measurement of acromial spur length from the acromion to its furthest projected point.
Main Results:
- Ultrasonography effectively visualized anteriorly projected acromial spurs.
- No significant difference in acromial spur length measurements between plain radiography and ultrasonography (p=0.186).
- A strong correlation (r=0.776, p=0.000) was observed between ultrasonography and supraspinatus outlet view measurements.
Conclusions:
- Ultrasonography is a reliable method for visualizing and measuring acromial spurs.
- Measurements of acromial spur length are consistent between ultrasonography and plain radiography.
- High correlation coefficients (exceeding 0.7) support the interchangeability of these imaging modalities.
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