In review study, microscopic examination of haematoxylin and eosin slides has demonstrated the characteristic features of smooth muscle cell differentiation, which was also confirmed by immunohistochemistry smooth muscle actin positivity.Additional immunohistochemistry Ki67 showed a low tumour cell proliferation index, which favors a benign behavior [3,4,7,8,11–14,17,18,20–22,27,31–37, 41–55]. Here, MKI67 is linked to neoplasm.