Case Report

Tumor-Induced Osteomalacia: Increased Level of FGF-23 in a Patient with a Phosphaturic Mesenchymal Tumor at the Tibia Expressing Periostin

Figure 2

Phosphaturic mesenchymal tumor mixed connective tissue variant. (a) Histopathology of the tumor consisting of monomorphic cells with round cell nuclei without increased mitotic activity (hematoxylin-eosin stain: HE 200x), (b) scattered multinucleated giant cells (HE 400x), and ((c)–(e)) expression of CD68, SSTR2, and POSTN in tumor tissue (immunohistochemistry).
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(a)
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(b)
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(c)
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(d)
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(e)