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Fig. 1
26×22 mm sized, skin-colored, firm, asymptomatic subcutaneous nodule on the left sole.
Fig. 2
(A) Skin biopsy showed a relatively well-circumscribed tumor in the dermis (H&E, Scanning view). (B) The tumor consists of spindle cells arranged in interlacing fascicles or whorls (H&E, ×100). (C) These spindle cells had pale pink cytoplasm, elongated nuclei, and inconspicuous nucleoli (H&E, ×400). (D) Immunoreactivity of the spindle cells with smooth muscle actin (Smooth muscle actin, ×200) (E) Many spindle cells with eosinophilic cytoplasmic stain dispersed among the blue collagen bundles (Masson-trichrome, ×400).
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