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High power view showing interconnecting, thin bands of epithelium separated by stroma that is variable from area to area. Amyloid (AMY) is seen below an area wherein parallel, coarse collagen fibers (VC) are oriented perpendicular to the interface of the epithelium and stroma. |
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A medium power view of a section stained with crystal violet. The amyloid is the metachromatic dark magenta material. |
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A medium power view showing epithelium having eosinophilic cytoplasm of infundibular type (INFUN), basaloid epithelium (BC red arrow point), fibroblast-rich basophilic stroma (BC blue arrow point), and amyoid (AMY). |
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A medium power view from the superficial part of the tumor. This could either be interpreted as basal cell carcinoma or as primitive follicular epithelium of a hamartoma. |
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