[A Case of Prepubertal-Type Teratoma in a Male Adult : Importance of a Definitive Diagnosis by the Fish Method]
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Teratomas are broadly classified according to the presence or absence of germ cell neoplasia in situ (GCNIS), which is defined as neoplastic germ cell proliferation in the seminiferous tubules. Postpubertaltype teratoma is classified into a germ cell tumor der... ...
