Postpubertal-type teratoma


  • GCT in the postpubertal testis composed of several types of somatic-type tissue originating from different germinal layers (endoderm, mesoderm, and ectoderm). It is usually composed of mature (or well-differentiated) tissues, and immature (or embryonic-type) tissues may be seen in some cases.

Clinical features


  • Occurs in young adults

  • The pure form is rare and accounts for 2.7%–7% of GCTs.

  • It is commonly mixed with other GCT components and seen in 47%–50% of mixed GCTs.

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