case_images: PMC3023681_01
case_images: Preoperative appearance of the patient. A 2 x 1 cm reddish mass with 3 x 2 cm brownish plaque-like cutaneous thickening.
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case_images: PMC3023681_01_1477-7819-9-1-1.jpg
case_images: F1
case_images: On gross inspection and palpation, we noticed a 2 cm x 1 cm smooth mobile keloid-like reddish mass surrounded by a 3 cm x 2 cm brownish plaque-like cutaneous thickening in the medial lower quadrant, at the 7 o'clock position of her left breast (Figure 1).
case_images: Gross specimen. Outer surface of ill-defined gray rubbery mass.
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case_images: PMC3023681_01_1477-7819-9-1-2.jpg
case_images: F2
case_images: Gross specimen. Cross section of the mass.
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case_images: F3
case_images: Microscopic examination. Several atypical cell with mitosis in the relatively blend spindle cells was noticed (H&E stain, x 400).
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case_images: F4
case_images: On histological examination, a storiform pattern of spindle cells infiltrating into subcutaneous tissue above the mammary gland was noticed (Figure 4, 5, 6).
case_images: Microscopic examination. There is characteristic infiltration of fibroblast between fat cells in subcutaneous tissue (H&E stain, x 200).
case_images: 1477-7819-9-1-5.jpg
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case_images: F5
case_images: On histological examination, a storiform pattern of spindle cells infiltrating into subcutaneous tissue above the mammary gland was noticed (Figure 4, 5, 6).
case_images: Microscopic examination. Infiltrative border in dermis was observed (H&E stain, x 100).
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case_images: PMC3023681_01_1477-7819-9-1-6.jpg
case_images: F6
case_images: On histological examination, a storiform pattern of spindle cells infiltrating into subcutaneous tissue above the mammary gland was noticed (Figure 4, 5, 6).
case_images: Immunohistochemical examination. Tumor stained positive for CD34.
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case_images: PMC3023681_01_1477-7819-9-1-7.jpg
case_images: F7
case_images: On immunohistochemical examination, the lesion stained positive for CD34 (Figure 7) and locally positive for SMA, and negative for CD68 and S-100 protein (Figure 8).
case_images: Immunohistochemical examination. Tumor stained negative for S-100 protein.
case_images: 1477-7819-9-1-8.jpg
case_images: PMC3023681_01_1477-7819-9-1-8.jpg
case_images: F8
case_images: On immunohistochemical examination, the lesion stained positive for CD34 (Figure 7) and locally positive for SMA, and negative for CD68 and S-100 protein (Figure 8).