A child of 16 years with complaints about lesion in the axillary region observed for 1.5 years. Objectively, in the arm-out position the axillary region is normal, in the position with the arm pressed to the body in the axillary fold region there is a lesion of an oval shape, at palpation with elastic consistency. At ultrasound in this area visualizes anechoic lesion with a fuzzy uneven contour, the type of a " porcupine" , completely compressed by a probe, a pronounced pain reaction was not obtained during compression, at CFM and PD without blood flow, approximately the size of 4.5x2x2.5cm (lymphostasis, etc.). Interrelation with the mammary gland is not visualized. From an anamnesis: the girl is engaged in fighting single combats, had several surgery in other regions of a body, including because of traumas by a blunt object. external link | 
