Infant biliary cirrhosis secondary to a biliary inflammatory myofibroblastic tumor: A case report and review of literature

Figure 3 Photomicrograph. A and B: Photomicrograph of inflammatory myofibroblastic tumor showing immunohistochemical positive for vimentin and smooth muscle actin (A: Original magnification: 400 ×; scale bar: 100 μm; and B: Original magnification: 200 ×; scale bar: 100 μm); C-E: Photomicrograph of inflammatory myofibroblastic tumor showing negative for desmin, S100 and ALK1 (Original magnification: 200 ×; scale bar: 100 μm) (Smooth muscle actin smooth muscle actin).