Acne on the back

    The patient 50 years-old with complaints of lesion on the back. Visually, prominent above the skin, up to 2.5 cm in diameter, red color, in history there was a such lesion which was underwent surgery and now represented as a rough scar (by the words of patient the surgeon did not sew).

    At ultrasound hypoechoic lesion of irregular shape up to 10x5mm, vertical orientation, with no blood flow at DPD, surrounded by hyperechoic tissue with increased blood flow (dif.diagnosis: atheroma/sebaceous cyst, etc.).

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