Case History: Woman in 7th decade of life presents with right lateral thigh mass.
Case History: A patient in her 7th decade of life presented with a right lateral thigh mass.The lump had been present for several months and increasing in size and tenderness. The patient had a history of multiple intramuscular antibiotic injections in the lateral thigh, near the location of the mass one year prior.
Figure 1. A longitudinal image of the right lateral thigh demonstrated an oval, dense, hypoechoic, soft tissue mass with multiple echogenic foci.
Figure 2. A longitudinal image of the right lateral thigh demonstrated a linear echogenic mass with irregular borders and posterior acoustic shadowing.
Figure 3. An X-ray of the right thigh showed a heterotopic calcification lateral to the right femur.
An ultrasound guided soft tissue core biopsy was performed on the superficial soft tissue thigh mass.