Parents of an infant noticed that he had a pimple on the skin of his thigh after vaccination, which was 1 month ago, and came with this complaint to the head of the pediatric department of the public clinic. After that, the child was urgently sent for an ultrasound of the soft tissues of the indicated area.
On ultrasound, a subcutaneous lesion type of a "flask" or "bowl" with a wide bottom and a narrow neck near the skin surface is visualized. On CFM / PD without blood flow.
