case_images: PMC8600378_01
case_images: Malignant tumor infiltrating the skeletal muscle. Hematoxylin and eosin (H&E), 200 x .
case_images: 10.1177_2329048X211041471-fig1.jpg
case_images: PMC8600378_01_10.1177_2329048X211041471-fig1.jpg
case_images: fig1-2329048X211041471
case_images: He underwent an incisional biopsy of the lesion, and pathology showed an ARMS (Figures 1 to 3) FISH positive for FOX01 rearrangement.
case_images: Malignant tumor with discohesive "alveolar" growth pattern. Hematoxylin and eosin (H&E), 400 x.
case_images: 10.1177_2329048X211041471-fig2.jpg
case_images: PMC8600378_01_10.1177_2329048X211041471-fig2.jpg
case_images: fig2-2329048X211041471
case_images: He underwent an incisional biopsy of the lesion, and pathology showed an ARMS (Figures 1 to 3) FISH positive for FOX01 rearrangement.
case_images: Myogenin immunohistochemichemical stain, 200 x.
case_images: 10.1177_2329048X211041471-fig3.jpg
case_images: PMC8600378_01_10.1177_2329048X211041471-fig3.jpg
case_images: fig3-2329048X211041471
case_images: He underwent an incisional biopsy of the lesion, and pathology showed an ARMS (Figures 1 to 3) FISH positive for FOX01 rearrangement.