A case of retroperitoneal liposarcoma extending through the inguinal canal to the thigh and lesser trochanter

Figures

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  Fig. 1. Enhanced CT scan showing a mass occupying the left retroperitoneal and left pelvic cavities extending through the inguinal canal to the thigh. (a) Horizontal section (b, c) Coronal section. Arrowheads, mass; long arrow, psoas major muscle; short arrow, femoral nerve; long open triangle, left external iliac artery; short open triangle, left external iliac vein; triangle with oblique lines, left internal iliac artery.

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  Fig. 2. Diagram of median abdominal incision and incision to the left thigh. Short arrow, median abdominal incision; long arrow, incision to the left thigh.

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  Fig. 3. (a) Diagram of the position of the three pieces of tumor matched with coronal image of CT scan that was the same as Figure 1b. (b) to (d) in Figure 3a corresponded to those of the gross findings. (b–d) Macroscopic findings of the split surface of the excised specimen. The tumor was divided into three pieces. All figures were head‐side up and right‐side left. The 10 cm standard was applied to (b–d).

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  Fig. 4. (a) Hematoxylin and eosin staining showing mature adipocytes with fibrovascular stroma and scattered atypical cells with pleomorphic swollen nuclei. (b, c) Immunohistochemical staining was positive for MDM2 (b) and Cdk4 (c).