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. 2015 Jan 30;2(1):2329048X14566813. doi: 10.1177/2329048X14566813

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© The Author(s) 2015

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 3.0 License (http://www.creativecommons.org/licenses/by-nc/3.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access page (http://www.uk.sagepub.com/aboutus/openaccess.htm).

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Figure 1. — Histopathology: (A) Surgical specimens from the first operation stained with hematoxylin-eosin (×100), demonstrating the fasciculate pattern, mucoid regions, and bipolar neoplastic cells and some giant cells (arrow). B, Stained with hematoxylin-eosin (×400), absence of mitosis and cells with nuclear anaplasia. C, Negative representative results of p53 immunohistochemical staining. D, Surgical specimens from the second operation stained with hematoxylin-eosin (×100), showing hypercellularity, with small and anaplastic cells and necrosis with a palisade pattern (arrow). E, Stained with hematoxylin-eosin (×400), with mitosis (arrow) and endothelial proliferation. F, Positive representative results of p53 immunohistochemical staining (arrow).