PMC6083646_01
Microscopic examination of the labial mass reveals multiple foci of endometriosis (4x).
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The labial mass contained focal atypical endometriosis on a background of benign endometriosis (Figures 1 and 2).
Microscopic examination shows a focus of endometriosis in the labial mass that lined by endometrial cells with cytologic atypia (10x).
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The labial mass contained focal atypical endometriosis on a background of benign endometriosis (Figures 1 and 2).
A hard consistency mass at the right labia majora extending to the right groin with ulceration.
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However, the mass developed into an ulcer and rapidly increased in size (Figure 3).
Microscopic examination displays the papillary growth structures lined by round tumor cells with clear cytoplasm and pleomorphic nucleoli (4x(a) and 10x (b)).
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The pathologic examination showed a papillary growth structure lined by round tumor cells with clear cytoplasm and pleomorphic nucleoli (Figure 4).  Figure 5 shows residual atypical endometriosis that had merged with the tumor.
Microscopic examination shows part of a tiny cyst lined by cuboidal cells with atypical nuclei that had merged with the tumor indicating residual foci of atypical endometriosis (10x).
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The pathologic examination showed a papillary growth structure lined by round tumor cells with clear cytoplasm and pleomorphic nucleoli (Figure 4).  Figure 5 shows residual atypical endometriosis that had merged with the tumor.