The teenager was admitted to the ED of the Children's City Clinical Hospital, with complaints of a supra-sternal mass, discovered a couple of days ago, painful when pressed. On ultrasound from the upper edge of the sternum, just a little short of the thyroid gland, behind and along the sternocleidomastoid muscle medially and in front of the brachiocephalic vessels - the lesion of a complex echostructure, like "honeycomb", with blood flow to the CFM. Dif. diagnosis: infiltrate / phlegmon / lymphadenitis, lymphangioma, etc. See similar case - https://m.en.uzgraph.ru/forum/... external link | 
