PMC3350297_01
A representative cross-section of the mass on CT scan. The mass was secondarily infected following CT guided biopsy as indicated by the locules of gas within the tumour mass.
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fig1
CA19.9) were normal. CT scan revealed a large necrotic mass measuring 19 x 17 cm (Figure 1) with no evidence of intra-abdominal or systemic dissemination.
En bloc hemicolectomy specimen, showing cecum and terminal ileum with overlying tumour. Arrow points to part of the appendix wall.
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fig2
Pathologic examination showed a large tumour arising from the wall of the appendix (Figure 2).
Haematoxylin and eosin section of the tumour under low power field, showing the highly cellular tumour with areas demonstrating smooth muscle differentiation.
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fig3
Microscopically, the tumour is a malignant pleomorphic tumour comprising spindle cells, epithelioid cells, giant cells, and myomatous areas (Figure 3).