Fig. 2

High resolution US of rabbit thigh muscle at 7 (a-b) and 14 days (c-d) after VX2 tumor pieces implant. a-b In the context of the muscular tissue two hypoecoic, irregular masses (arrows) are evident, their diameters are of a: 9 × 4, 2 × 6, 8 mm b: 11 × 9, 4 × 6 mm. c-d Two irregular masses (arrows), hypoecoic, strongly inhomogeneous, are evident. They are increased in size, measuring: c: 7,2 × 5, 7 × 8,6 mm; d: 5,5 × 12, 6 × 7,3 mm