PMC2838224_01
Coronal CT scan showing the tumor (arrow).
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fig1
A 68-year-old man presented with computerized tomography (CT) scan results showing a 5-cm solid cystic mass in the tail of the pancreas (Figures 1 and 2), with no signs of vascular or visceral invasion.
Assial CT scan showing the tumor (arrow).
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fig2
A 68-year-old man presented with computerized tomography (CT) scan results showing a 5-cm solid cystic mass in the tail of the pancreas (Figures 1 and 2), with no signs of vascular or visceral invasion.
Ematossilin-eosin showing the pancreatic tissue infiltrated by the desmoid tumor.
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fig3
Histologic sections showed proliferation of spindle-shaped or stellate cells, with a fasciculate and storiform growth pattern within a background of myxoid intercellular matrix (Figure 3).
In this area the tumor shows a proliferation of spindle cells and dense collagen bundles (Ematossilin-eosin).
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fig4
Immunohistochemical staining showed cytoplasmic positivity for smooth muscle actin and focal nuclear positivity for beta-catenin (Figure 4).
Nuclear positivity sfor B-catenin.
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fig5
The patient is doing well and remained disease-free according to 60-month follow-up CT (Figure 5).