Elastofibroma




CLINICAL SUMMARY


Elastofibroma is a slow-growing, reactive lesion that is found almost exclusively between the scapula and chest wall. These lesions are more frequent in older patients and are common incidental discoveries on thoracic imaging. Excision is reserved for symptomatic lesions.


DIAGNOSTIC FEATURES


















History


  • 50 to 70 years old



  • Slowly enlarging mass



  • Pain with shoulder movement

Location


  • Distinctive location (>90%) deep to tip of scapula



  • Can be bilateral

MRI


  • Ovoid mass between the scapula and chest wall



  • T1 sequences show distinctive thin streaks of fat signal



  • T2 sequences demonstrate heterogeneous pattern and indistinct margins




IMAGING
















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