Back swelling over two months.
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There is well defined 2.7 x 1.1 cm sized heterogeneously hypoechoic lesion noted in the deep subcutaneous plane over the back in the right infrascapular region. Lesion shows posterior acoustic enhancement. The lesion is anterior to the muscle plane. On colour Doppler, there is no internal vascularity. There is minimal inflammation of the surrounding fat.
Findings are suggestive of a sebaceous cyst with minimal inflammatory changes.
This case shows typical imaging features of a sebaceous cyst.