PMC3114617_01
Malignant cell tumour. Nuclear and cellular polymorphism and abnormal mitoses. x400.
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F1
Many cells with large atypical pleomorphic nuclei could also be observed (fig. 1, fig. 2).
Immunohistochemical staining for inhibin A. x400.
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F3
Ki67 was expressed in 10% of the malignant cells (fig. 3).