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Case Reports
. 2019 Jun 6;14(8):986-988.
doi: 10.1016/j.radcr.2019.05.016. eCollection 2019 Aug.

Multimodality imaging evaluation for iliac crest apophysis avulsion injury

Affiliations
Case Reports

Multimodality imaging evaluation for iliac crest apophysis avulsion injury

Nandan Keshav et al. Radiol Case Rep. .

Abstract

A young cross-country athlete with left thigh pain, and a recent negative MRI of the left hip was referred to nuclear medicine for bone scan imaging. A 3-phase Tc-99m methylene diphosphonate bone scan was performed and revealed left iliac crest apophysis avulsion. This case illustrates that 3-phase bone scan is a great adjunct in the evaluation of sports injuries especially in athletes presenting with vague nonlocalizing symptoms, and prior negative radiographic or MRI imaging.

Keywords: Bone scan; Iliac crest apophysis injury.

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Figures

Fig 1
Fig. 1
Anterior and posterior blood pool images of a Tc99m-MDP bone scan showing asymmetric increased blood pooling in the region of the left iliac crest apophysis.
Fig 2 –
Fig. 2
Anterior and posterior 3 hours delayed images of a Tc99m-MDP bone scan showing asymmetric increased radiotracer deposition in the region of the left iliac crest apophysis, better appreciated on the posterior views.
Fig 3 –
Fig. 3
Bone scan SPECT 3D MIP reconstructed image demonstrating asymmetric increased radiotracer deposition in the region of the left anterior iliac crest extending inferiorly to the region of the left anterior iliac spine.
Fig 4 –
Fig. 4
Frontal pelvis radiograph showing a mildly displaced avulsion fracture of the left iliac crest apophysis.
Fig 5 –
Fig. 5
Axial (A) and coronal (B) STIR MRI images showing increased T2 signal in the region of the left iliac crest apophysis.

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