case_images: PMC8294950_01
case_images: Physical exam showing significant edema of the right thigh.
case_images: CRIM2021-5555051.001.jpg
case_images: PMC8294950_01_CRIM2021-5555051.001.jpg
case_images: fig1
case_images: On physical examination, a hard, tender, erythematous 7 x 4 inch right anterior thigh mass with accompanying right upper thigh edema was noted (as shown in Figure 1).
case_images: MRI without contrast of the right femur: bilateral inflammatory changes manifested by extensive subcutaneous edema with interfascial free fluid as well as severe myositis. Disproportionate enlargement of the right vastus medialis muscle which is diffusely heterogeneous with a patchy area of intramuscular hemorrhage is shown.
case_images: CRIM2021-5555051.002.jpg
case_images: PMC8294950_01_CRIM2021-5555051.002.jpg
case_images: fig2
case_images: Magnetic resonance imaging (MRI) without contrast of the femur demonstrated bilateral inflammatory changes with disproportionate enlargement and diffuse heterogeneity of the right vastus medialis muscle with patchy areas of intramuscular hemorrhage, extensive subcutaneous edema, interfascial free fluid, and severe myositis (as shown in Figure 2).