Ischiofemoral impingement syndrome: Spectrum of MRI findings in comparison to normal subjects

Khodair, Sameh Ahmad; Ghieda, Usama Elsaied; El-Sayed, Amr S

doi:10.1016/j.ejrnm.2014.02.012

Cited by 9 publications

(15 citation statements)

References 13 publications

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“…Khodair et al 7 found quadratus femoris muscle abnormalities in their study; eight (57.1%) of them showed diffuse muscle edema, three of them (21.4%) showed focal edema, two of them (14.3%) had partial tear, and one of them (7.2%) had diffuse muscle atrophy. Associated partial tear of hamstring tendon was found in one IFI syndrome patient (7.2%).…”

Section: Di̇scussi̇onmentioning

confidence: 81%

“…The patients who had at least one of MRI findings of IFI syndrome, as previously described in the literature, (edema, fatty replacement, tear or muscle atrophy) were included in the study. 7 Patients with osteoarthritis, history of trauma and surgery were excluded from the study. All patients underwent MRI using a 1.5 Tesla system (Philips Achieva 1.5 T system, Philips, Eindhoven, The Netherlands).The following parameters were applied: Axial T1-weighted (TR/TE 1180/11, matrix 320x126, slice thickness 7mm, FOV 444x233).…”

Section: Materi̇als and Methodsmentioning

confidence: 99%

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Ischiofemoral Impingement: Assessment of Mri Findings and Their Reliability

Akça¹,

Şafak²,

İliş³

et al. 2016

Acta ortop. bras.

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Objective: To evaluate the Magnetic Resonance Imaging (MRI) findings and their validity in patients with ischiofemoral impingement syndrome (IFI) .Methods:We retrospectively analyzed 55 hips. MRI findings of 30 hips were consistent with IFI syndrome. Twenty five hips had no MRI findings consistent with IFI syndrome. We compared the ischiofemoral space (IFS), quadratus femoris space (QFS), ischial angle (IA) and femoral neck angle (FNA) between the age and gender matched groups. We also analyzed edema, fatty replacement and partial or total rupture of quadratus femoris muscle. Mann Whitney U test was used to compare the data.Results: We observed atrophy in eight, fatty replacement also in eight and edema in all of the quadratus femoris muscle. QFS (p<0.001) and IFS (p<0.001) were significantly lower in patients as compared to the control group. IA (p=0.012) and FNA (p=0.010) values were significantly higher in patients compared with the control group.Conclusion: MRI findings of IFI include narrowing of QFS and IFS and increase in IA and FNA. This condition should be kept in mind for patients with hip pain. Level of Evidence III, Retrospective Study.

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Section: Di̇scussi̇onmentioning

confidence: 81%

Section: Materi̇als and Methodsmentioning

confidence: 99%

Ischiofemoral Impingement: Assessment of Mri Findings and Their Reliability

Akça¹,

Şafak²,

İliş³

et al. 2016

Acta ortop. bras.

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“…Second, we could not consider all diseases (e.g., iliopsoas tendinitis, hamstring injury and bursitis) which are associated with symptoms similar to IFI. Other authors demonstrated that IFS and QFS narrowing may or may not be associated with quadratus femoris abnormalities and may not be associated with hip pain 17 18) . Therefore, some of our patients possibly had hip pain from other causes.…”

Section: Discussionmentioning

confidence: 99%

Utility of False Profile View for Screening of Ischiofemoral Impingement

et al. 2018

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PurposeIschiofemoral impingement (IFI)-primarily diagnosed by magnetic resonance imaging (MRI)-is an easily overlooked disease due to its low incidence. The purpose of this study was to evaluate the usefulness of false profile view as a screening test for IFI.Materials and MethodsFifty-eight patients diagnosed with IFI between June 2013 and July 2017 were enrolled in this retrospective study. A control group (n=58) with matching propensity scores (age, gender, and body mass index) were also included. Ischiofemoral space (IFS) was measured as the shortest distance between the lateral cortex of the ischium and the medial cortex of lesser trochanter in weight bearing hip anteroposterior (AP) view and false profile view. MRI was used to measure IFS and quadratus femoris space (QFS). The receiver operating characteristics (ROC), area under the ROC curve (AUC) and cutoff point of the IFS were measured by false profile images, and the correlation between the IFS and QFS was analyzed using the MRI scans.ResultsIn the false profile view and hip AP view, patients with IFI had significantly decreased IFS (P<0.01). In the false profile view, ROC AUC (0.967) was higher than in the hip AP view (0.841). Cutoff value for differential diagnosis of IFI in the false profile view was 10.3 mm (sensitivity, 88.2%; specificity, 88.4%). IFS correlated with IFS (r=0.744) QFS (0.740) in MRI and IFS (0.621) in hip AP view (P<0.01).ConclusionIFS on false profile view can be used as a screening tool for potential IFI.

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“…38 Impingement of the quadratus femoris in the ischiofemoral space is also increasingly recognized. 39 More recently, Ward et al 40 described the iliocapsularis (also known as the iliacus minor or ilio-infratrochantericus) over the anterior hip capsule. It originates from the anteromedial hip capsule and the inferior border of the anterior inferior iliac spine, inserting just distal to the lesser trochanter.…”

Section: Musclesmentioning

confidence: 98%

Clinical relevance of the hip joint: Part I – Review of the anatomy of the hip joint

Sato

2015

International Musculoskeletal Medicine

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Ischiofemoral impingement syndrome: Spectrum of MRI findings in comparison to normal subjects

Cited by 9 publications

References 13 publications

Ischiofemoral Impingement: Assessment of Mri Findings and Their Reliability

Ischiofemoral Impingement: Assessment of Mri Findings and Their Reliability

Utility of False Profile View for Screening of Ischiofemoral Impingement

Clinical relevance of the hip joint: Part I – Review of the anatomy of the hip joint

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