There was a wide range of histopathological changes in undescended testis. Nearly half the patients may still have significant germ cell activity at a variety of maturation levels. The incidence of intratubular germ cell neoplasia was 2% in this group. Intratubular germ cell neoplasia may be overlooked with hematoxylin and eosin staining so immunohistochemical study should be added for evaluation.
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