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. 2019 Apr 26;13:108. doi: 10.1186/s13256-019-2033-8

Fig. 2.

Fig. 2

Histopathological images of Case 1. a Low-power magnification (hematoxylin and eosin stain, × 20 magnification). b High-power magnification, revealing a myxomatous stroma composition with sparse fibers (hematoxylin and eosin stain, × 200 magnification). c Myxomatous stroma exhibited Alcian blue stain positivity, and was negative for periodic acid–Schiff (Alcian blue periodic acid–Schiff stain, × 200 magnification). d Sparse formation of reticular fibers in the lesion (silver stain, × 200 magnification). e Negativity for S-100 protein (S-100 protein immunohistochemical stain, × 200 magnification). f Invasion of the surrounding bone was not observed (hematoxylin and eosin stain, × 40 magnification)