CTICasesElastofibroma Dorsi
Imaging findings
Non-contrast CT and subsequent MRI reveal a relatively large, poorly-defined soft tissue mass located deep to the left scapula and chest wall muscles, characterized by alternating, interspersed streaks of fat and fibrous tissue.
Key takeaways
Elastofibroma dorsi is a benign, slow-growing pseudotumor classically located in the infrascapular or subscapular region, deep to the latissimus dorsi and rhomboid muscles. On imaging, the characteristic interdigitation of fat and soft tissue is often diagnostic, and while typically asymptomatic and bilateral, large lesions can cause pain or mechanical discomfort.
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