PMC3977169_01
Computed tomography abdomen scan showed well defined approx 12x8x10 cm heterogeneously hypodense mixed solid and cystic mass (arrow) in the abdominal cavity.
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On local examination the mass was suprapubic, freely mobile, nontender and measured 10x10 cm in size. contrast enhanced computed tomography revealed well defined heterogenous hypo dense solid cystic mass approx. 12x10x8 cm in peritoneum with area of calcification, necrosis and multiple septation (Figure 1).
A) Tumor cells admixed with foci of haemorrhage and necrosis (x100). B) Section shows spindle cells arranged in alternating fascicles with pleomorphic nuclei and indistinct margin (x400). C) The tumor cells are entrapping the adipose tissue (x100). D) The tumor cells were immunoreactive with smooth muscle actin (x600).
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Mitotic figures were 5-6/HPF (Figure 2A-C). The tumor cells were immunoreactive with smooth muscle actin (Figure 2D), desmin and negative for S-100, CD-34 and c-kit.