PMC3622396_01
A regular-shaped mass in the right breast in the ultrasound test.
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A hypoechoic and irregularly shaped mass, measuring approximately 7 cm x 6 cm (Figure 1), was found at the edge of the skin incision scar from the previous tumor resection on the right side of the breast.
HE staining showing tumor cells with CD68 and vimentin-positive expression (x200 and x400).. Abbreviation: HE, hematoxylin-eosin.
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Tumor cells were arranged as a knit fabric in some areas, which were composed by myofibroblast- or myofibroblast-like cells (Figure 2). The cells were negative for creatine kinase, B cell lymphoma/leukemia-2, estrogen receptor, desmin, and mouse antiendomysial antibody (Figure 2).
Enhanced computed tomography scanning showed lung metastases.
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Enhanced computed tomography scanning showed multiple small lung nodules; thus, metastases could not be excluded (Figure 3).
Tumor images after surgery.
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With the emergence of multiorgan metastasis, the patient died of multiple distant metastases (Figure 4).