case_images: PMC5308525_01
case_images: Polypoid mass originating from the left palatine tonsil.
case_images: 10.1177_2050313X16688832-fig1.jpg
case_images: PMC5308525_01_10.1177_2050313X16688832-fig1.jpg
case_images: fig1-2050313X16688832
case_images: A pedunculated mass with the base attached to the left palatine tonsil was observed (Figure 1).
case_images: Photomicrograph of the polypoid tonsillar mass showing reactive lymphoid tissue and dilated lymphatic channels (hematoxylin and eosin, 4x total magnification).
case_images: 10.1177_2050313X16688832-fig2.jpg
case_images: PMC5308525_01_10.1177_2050313X16688832-fig2.jpg
case_images: fig2-2050313X16688832
case_images: Histopathologic examination showed mildly fibrous stroma containing dilated lymphatic channels and abundant lymphoid tissue with scattered small germinal centers (Figures 2 and 3).
case_images: Photomicrograph of the polypoid tonsillar mass showing a reactive germinal center and mildly edematous stroma underlying the squamous epithelium (hematoxylin and eosin, 20x total magnification).
case_images: 10.1177_2050313X16688832-fig3.jpg
case_images: PMC5308525_01_10.1177_2050313X16688832-fig3.jpg
case_images: fig3-2050313X16688832
case_images: Histopathologic examination showed mildly fibrous stroma containing dilated lymphatic channels and abundant lymphoid tissue with scattered small germinal centers (Figures 2 and 3).
case_images: Photomicrograph of the underlying tonsil shows markedly reactive lymphoid tissue with abundant large well-formed germinal centers with polarized mantle zones (hematoxylin and eosin, 4x total magnification).
case_images: 10.1177_2050313X16688832-fig4.jpg
case_images: PMC5308525_01_10.1177_2050313X16688832-fig4.jpg
case_images: fig4-2050313X16688832
case_images: In comparison to fibroepithelial polyp, the underlying tonsil showed markedly reactive lymphoid tissue with abundant large, well-formed, polarized germinal centers with well-defined mantle zones (Figure 4).