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. 2011 Sep 28;5:487. doi: 10.1186/1752-1947-5-487

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Copyright ©2011 Shinohara et al; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Macroscopic (A and B) and microscopic (C and D) features of the resected mass. The two lesions were found to be solid, lobular, well-circumscribed, and gray-white masses. (A) The two nodules were connected with each other by fibrous tissue. (B) The cut surface was gray-white and homogenous. (C, D) Hematoxylin and eosin staining of the lesions revealed that they were composed of hyalinized collagen fibers with fibroblasts. Psammomatous calcifications were observed (C, arrowhead). Original magnifications: (C) ×40; (D) ×200.