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Ultrasonography of hip joint effusions
M M Zieger1, U Dörr, R D Schulz
1Department of Ultrasonography, Olgahospital, Stuttgart, Federal Republic of Germany.
Skeletal Radiology
|January 1, 1987
Summary
Ultrasonography accurately detects hip joint effusions, even small ones. This imaging technique is superior to X-rays for diagnosing conditions like septic arthritis.
Area of Science:
- Radiology
- Musculoskeletal Imaging
Background:
- Hip joint effusions require accurate diagnostic methods.
- Conventional imaging may have limitations in detecting small effusions.
Purpose of the Study:
- To evaluate the efficacy of ultrasonography in diagnosing hip joint effusions.
- To compare ultrasonography with other imaging modalities.
Main Methods:
- Prospective study of 123 patients with suspected hip effusions.
- Inclusion of 20 healthy subjects as a control group.
- Detailed presentation of normal sonoanatomy and scanning techniques.
Main Results:
- Ultrasonography accurately detected minimal fluid collections (1-2 ml).
- Echofree effusions indicated transient synovitis or fresh hemorrhagic effusions.
- Non-echofree effusions suggested clotted effusions or septic arthritis.
- Ultrasonography demonstrated superiority over X-ray films in effusion detection.
Conclusions:
- Ultrasonography is a highly sensitive method for detecting hip joint effusions.
- A negative sonogram effectively excludes fluid collections.
- Ultrasonography aids in the early diagnosis of septic arthritis, potentially reducing the need for other imaging techniques.