H&E stain
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H&E stain
|
- Cellular infiltrates
- Large in endomysium & perimysium.
- Cells: Large; Abundant cytoplasm; Esterase &
PAS positive.
- No granulomas
- Muscle fibers
- Not prominently affected.
- No degeneration or regeneration.
- Fascia (perimysium): No necrosis
|
Esterase stain
|
Esterase stain
|
Cells in infiltrates are mostly macrophages
& stain strongly with esterase.
|
PAS stain
|
|
Infiltrating cells stain positively with PAS
|