PMC3898666_01
H and E sections fibro-osseous lesion in dermis. a) lesion composed of fibrovascular stroma and mature bony trabeculae. b) high power revealed prominent osteoblastic rimming and bland stromal cells.
1755-7682-7-4-1.jpg
PMC3898666_01_1755-7682-7-4-1.jpg
F1
The lesion appeared completely excised (Figure  1).
Photomicrography after applying immunohistochemical stains revealing. a) ASMA stain highlighting blood vessels with focal positivity in stromal cells. b) CD34 stain showing focal positivity in stromal cells. c) and d) S100 stain also revealed focal staining in stromal cells.
1755-7682-7-4-2.jpg
PMC3898666_01_1755-7682-7-4-2.jpg
F2
S100 and CD 34. Stromal cells were negative with cytokeratin, however focal positivity was noted with ASMA, CD 34 and S100 stains (Figure  2).