Degenerative necrotic changes. Macrophages between the necrotic muscle fibers (yellow arrow). Muscle fibres are replaced by fibrous tissue (blue arrow)
Discoid necrosis: Dead muscle fibres showing discoid necrosis (yellow arrows); Muscle fibres replaced by fibrous tissue (blue arrows).
Discoid necrosis: Dead muscle fibres showing discoid necrosis (yellow arrows);Muscle fibres replaced by fibrous tissue (blue arrows)