1.Histologically, the tumors were characterized by widespread myxoid, cyst formation, vessel wall hyalinization, and absence of mitoses.
组织学检查,病变具有广泛的粘液样变、囊腔形成、血管壁透明变性和缺乏核分裂相等特。
2.Figure 2.B, On high-power magnification microscopy, the specimen showed a patternless tissue culture-like appearance with multiple mitoses and extraasated red blood cells.