Metastasen im Hoden

Metastases to testis are a very rare cause of a testicular mass and may be bilateral in up to 15% of patients.

Epidemiology

Metastases to the testes are apparent in ~0.04% of autopsy studies in patients with known malignancy. The average age is 57 years, much older than the primary age for primary testicular cancer .

Pathology

The literature suggests that the rarity of metastases to the testes may be due to:

  • lower temperature of the scrotum, so the malignant cells find it more difficult to proliferate
  • testes are a 'sanctuary' site - due to the blood-testicular barrier
Etiology

In adults a malignant testicular lesion is much more likely to be a primary. Even so-called common sources are rare. The largest series of 20 cases of metastases to the testes, over a ten-year period, found the majority to be from leukemia .

Common
Very rare

In children, sources include:

See also

Siehe auch:
und weiter: