Sonography of Greater Trochanteric Pain Syndrome and the rarity of primary bursitis
Greater trochanteric pain syndrome is common; patients present with pain on the lateral aspect of the hip. It is generally attributed to greater trochanteric bursitis, although other diagnoses are also likely causes (gluteus medius and minimus tendon pathologies or tears, iliotibial band abnormalities, subgluteus medius and minimus bursae pathologies). The aim of this retrospective case review was to investigate the prevalence of these different pathologies in sonographic examinations of 877 included patients with lateral hip pain.
- Overall, only 20.2% of patients actually presented with greater trochanteric bursitis, mainly associated with other pathologies (gluteal tendinosis or ITB). Only 8.1% of patient had an isolated bursitis.
- Gluteal tendinosis was the most common pathology (49.9%), while gluteal tendon partial or complete tears were relatively rare (1.9%). The most commonly involved muscle was gluteus medius.
- ITB abnormalities (thickening or rarely tears) were present in 29.1% of patients.
- 13.1% of patients did not have abnormalities detected by diagnostic ultrasound assessment.
In conclusion, greater trochanteric pain syndrome usually represent a combination of pathologies which involve predominantly gluteus medius, ITB but only rarely of the bursae in the lateral hip region. > From: Long et al., Am J Roentgenol 201 (2013) 1083-1086. All rights reserved to the American Roentgen Ray Society.
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