Human pathology

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Leydig cell tumor

Synopsis

- Leydig cell proliferation

  • round cell proliferation
  • fusiform cell proliferation

- Reinke crystals

Localization

- ovarian Leydig cell tumor
- testicular Leydig cell tumor

Variants

- microcystic Leydig cell tumor (10328086)

Differential diagnosis

- yolk sac tumor (10328086)

See also

- Sertoli-stromal cell tumors

References

- Billings SD, Roth LM, Ulbright TM. Microcystic Leydig cell tumors mimicking yolk sac tumor: a report of four cases. Am J Surg Pathol. 1999 May;23(5):546-51. PMID: 10328086