Epidermal inclusion cyst - scapular region
Right scapular region swelling for 6-8 months. Local pain for 1 week prior to presentation.
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There is an encapsulated, compressible, hypoechoic lesion abutting skin of scapular region. There is a hypoechoic tract from lesion to skin. At deeper aspect of the lesion; there is a hypoechoic tract from lesion to surrounding subcutaneous fat. There is no intra-lesional flow signal. However, there is perilesional flow.
Male patient presented with scapular region swelling during last few months. Lesion becomes painful during last few days. Ultrasound shows lesion with a punctum - diagnostic point for epidermal inclusion cyst. There is leak from lesion which explains pain.
Surgical excision was performed. Leak was present from lesion.
Histopathology revealed epidermal inclusion cyst.