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. 2022 May 17;9(4):e1184. doi: 10.1212/NXI.0000000000001184

Figure 1. Representative Muscle MRI on T1WI and STIR.

Figure 1

(A and B) Selective involvement in the gluteus medius and minimus with maximus spared in P10. (C and D) Bilateral semimembranosus muscle (arrowhead) and the right biceps femoris (arrow) asymmetrically involved in P16. (E and F) Quadriceps femoris involvement in P6. (G and H) Soleus (arrow) and tibialis posterior (arrowhead) distinctively affected in P17. (I and J) Paraspinal muscle atrophy in P8. (K and L) Gastrocnemius involvement more visible on STIR in P13. T1WI = T1-weighted images; STIR = short-tau inversion recovery.