La radiologia medica

, Volume 122, Issue 3, pp 208–214 | Cite as

Incidence of greater trochanteric pain syndrome in patients suspected for femoroacetabular impingement evaluated using magnetic resonance arthrography of the hip

  • Grazia Pozzi
  • Ezio LanzaEmail author
  • Cleber Garcia Parra
  • Ilaria Merli
  • Luca Maria Sconfienza
  • Alberto Zerbi



We evaluated the incidence of greater trochanter pain syndrome (GTPS) in patients who underwent magnetic resonance arthrography (MRA) of the hip for a suspected femoroacetabular impingement (FAI) syndrome.


Hip MRA performed at our institution (3/2012–1/2014) were reviewed. The absence/presence of FAI (cam, pincer, and mixed) was noted. GTPS diagnosis was based on gluteus medius/minimus tendinopathy/tears, trochanteric bursitis, fascia lata thickening, and trochanter bone oedema/erosion. Subgroup analysis for age (under/over 40 years) and FAI type (cam, pincer, and mixed) was also performed.


N = 189 patients were included (n = 125 males; age 39 ± 12 years). FAI was diagnosed in n = 133 (70, 4%): cam type, n = 85 (63, 9%); pincer type, n = 22 (16, 6%); and mixed type, n = 26 (19, 5%). N = 72 patients (38.1%) had tendinopathy, n = 14 (7.4%) had trochanter erosion, n = 31 (16.4%) had bursitis, n = 4 had bone oedema (2.1%), and n = 3 (1.6%) had fascia lata thickening, resulting in GTPS diagnosis in n = 74 patients (39.2%). The association of normal hip morphology/GTPS was significantly higher (P = 0.023) than that of FAI/GTPS. Under 40 years, GTPS incidence was higher in patients with normal hip and pincer-type FAI (P = 0.028). Over 40 years, no difference between patients with/without FAI (P = 0.119) was seen.


GTPS was more frequently observed in patients with normal hip morphology than in patients with FAI, particularly in patients under 40.


Hip Magnetic resonance arthrography Femoroacetabular impingement Greater trochanter pain syndrome Trochanteric bursitis 


Compliance with ethical standards

Conflict of interest

All authors declare that they have no conflict of interest.

Ethical approval

All procedures performed in studies involving human participants were in accordance with the ethical standards of the Institutional and/or National Research Committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

This article does not contain any studies with animals performed by any of the authors.

Informed consent

Informed consent was waived due to the retrospective nature of the study, which involves no risk for the participants, could not practicably be carried out without the waiver and does not adversely affect the rights and welfare of the participants.


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Copyright information

© Italian Society of Medical Radiology 2016

Authors and Affiliations

  • Grazia Pozzi
    • 1
  • Ezio Lanza
    • 2
    Email author
  • Cleber Garcia Parra
    • 3
  • Ilaria Merli
    • 4
  • Luca Maria Sconfienza
    • 1
    • 5
  • Alberto Zerbi
    • 1
  1. 1.Unità Operativa di Radiologia/Diagnostica per Immagini con Servizio di Radiologia InterventisticaIRCCS Istituto Ortopedico GaleazziMilanItaly
  2. 2.Dipartimento di RadiologiaIRCCS Humanitas Research HospitalRozzanoItaly
  3. 3.Unità di Ortopedia e TraumatologiaASST-Papa Giovanni XXIIIBergamoItaly
  4. 4.Scuola di Specializzazione in RadiodiagnosticaUniversità degli Studi di MilanoMilanItaly
  5. 5.Dipartimento di Scienze Biomediche per la SaluteUniversità degli Studi di MilanoMilanItaly

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