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Images in Clinical Radiology

Calcific tendinopathy of the pectoralis major insertion with intracortical protrusion of calcification

Authors:

MT El-Essawy ,

Department of Radiology, Damietta Oncology Institute, Damietta, Egypt
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FM Vanhoenacker

Department of Radiology, AZ Sint-Maarten Duffel-Mechelen, Department of Radiology, Antwerp University Hospital, Edegem, University of Ghent, Faculty of Medicine and Health sciences, Ghent
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Abstract

A 64-year-old male patient presented with pain at the right upper arm. His past medical history was unremarkable. Plain radiographs showed a focal radiolucency at the proximal humerus containing a faint central radio-opaque focus (Fig. A, small arrow). Computed Tomography (CT) demonstrated a focal ill-defined erosion of the anterior cortex of the proximal humerus (Fig. B, white arrow) with associated intra - cortical and soft tissue calcifications (Fig. B, black arrow)at the osseous insertion of the pectoralis major tendon. On Magnetic Resonance Imaging(MRI), the intracortical lesion appeared of high signal on T2-Weighted Images (WI) with subtle adjacent bone marrow edema as well as thickening and signal increase of the pectoralis major tendon (Fig. C, white arrow). Fatsuppressed T1-WI after administration of gadolinium contrast showed enhancement of the thickened tendon (Fig. D, white arrow). Based on the imaging findings, the diagnosis of calcific tendinopathy of the pectoralis major tendon was made. The patient was treated with nonsteroidal anti-inflammatory drugs and the symptoms resolved 4 weeks later.

How to Cite: El-Essawy M, Vanhoenacker F. Calcific tendinopathy of the pectoralis major insertion with intracortical protrusion of calcification. Journal of the Belgian Society of Radiology. 2012;95(6):374. DOI: http://doi.org/10.5334/jbr-btr.733
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Published on 01 Nov 2012.
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