PMC4793793_01
The tumor wrapping both flexor tendons.
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F1
Surgical exploration identified a well-defined encapsulated tumor, which was localized within the sheath of flexor tendons without invading them (Figure 1).
The tumor appearance similar to a 'tortellino pasta'.
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F2
The specimen's appearance was similar to a 'tortellino pasta', having grown within a highly vascularized capsule (Figure 2).
Anti cd 31 antibody staining for immunohistochemistry.
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F3
Histology was performed with the aid of an immune-histochemical staining, which reported the characteristics of a thrombus within an AVM (Figure 3).