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  Indian J Med Microbiol
 

Figure 2: Immunohistochemistry results show: (a) Strong cytoplasmic smooth muscle actin expression in smooth muscle cells within the walls of vessels as well as in smooth muscle bundles in between the vessels (SMA, ×400). (b) Focal cytoplasmic positivity in smooth muscle cells for Desmin (Desmin, ×400). (c) Tumor cells negative for HMB45 (HMB45, ×400). (d) Tumor cells negative while mast cells positive for CD117 (CD117, ×400)

Figure 2: Immunohistochemistry results show: (a) Strong cytoplasmic smooth muscle actin expression in smooth muscle cells within the walls of vessels as well as in smooth muscle bundles in between the vessels (SMA, ×400). (b) Focal cytoplasmic positivity in smooth muscle cells for Desmin (Desmin, ×400). (c) Tumor cells negative for HMB45 (HMB45, ×400). (d) Tumor cells negative while mast cells positive for CD117 (CD117, ×400)