A Rare Case of Vascular Leiomyosarcoma Originating from a Branch Vessel of the External Iliac Vein

<div>(a) There were areas with high cellularity and bizarre nuclei. (b) Immunostaining for <i>α</i>-SMA was positive. (c) The positive ratio of MIB-1 was low (5–10%). (d) The tumor (T) was separated from the external iliac vein (black arrowhead), and only fibrous adhesions without infiltration were present.</div>

Case Reports in Medicine

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Figure 2

Figure 2: A Rare Case of Vascular Leiomyosarcoma Originating from a Branch Vessel of the External Iliac Vein 