There is a well-defined ovoid lesion in the region of interest.
Size: 40 mm (cranio-caudal) x 35 mm (transverse) x 20 mm (anteroposterior)
Location
- within superficial part of vastus lateralis muscle
- abutts fascia
- separate from bone
Morphology
- hypoechoic without calcification / cystic changes
- lobulations present
- posterior acoustic enhancement present
- not significantly compressible
- echogenicity around lesion with echogenic triangular 'cap' at proximal and distal end of the lesion
Doppler: significant vascularity is noted in the lesion.