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  Indian J Med Microbiol
 

Figure 4: (a) Infiltrating sheets of small round blue cells separated by fibrous bundles (H and E × 40). (b) Higher power view exhibiting variable skeletal muscle differentiation ranging from immature cells with round blue color to ganglion cell-like rhabdomyoblasts with prominent nucleoli (H and E × 200). (c) Infiltrating cells are positive for Desmin (immunoperoxidase × 200). (d) Infiltrating cells are positive for Myo D1 (immunoperoxidase × 100)

Figure 4: (a) Infiltrating sheets of small round blue cells separated by fibrous bundles (H and E × 40). (b) Higher power view exhibiting variable skeletal muscle differentiation ranging from immature cells with round blue color to ganglion cell-like rhabdomyoblasts with prominent nucleoli (H and E × 200). (c) Infiltrating cells are positive for Desmin (immunoperoxidase × 200). (d) Infiltrating cells are positive for Myo D1 (immunoperoxidase × 100)