in an attempt to characterize these tumors , the immunohistochemical staining patterns of desmin , vimentin , actin , and s-100 protein were studied in 41 gi stromal tumors , using the avidin-biotin method , and compared with normal host smooth muscle and nerve and with esophageal and uterine leiomyomas .
C1267092
smooth muscle
C0042133
uterine leiomyomas