Ovarian metastasis

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An ovarian metastasis (also ovary with metastatic disease) is cancer in the ovary that arose elsewhere and spread to the ovary.

Generally

Common extramuellerian metastatic tumours:

Gross

Features favouring metastatic mucinous carcinoma (from the GI tract) over primary ovarian mucinous carcinoma:[1]

  • Bilaterality - both ovaries involved.
  • Small unilateral tumour size.
    • <10 cm suggests metastasis.
    • >13 cm = ovarian primary.

Microscopic

Features:

Image

IHC

Ovarian tumours:

  • Dipeptidase 1 (DPEP1) +ve.[2]
  • CK7 +ve.

See also

References

  1. Yemelyanova, AV.; Vang, R.; Judson, K.; Wu, LS.; Ronnett, BM. (Jan 2008). "Distinction of primary and metastatic mucinous tumors involving the ovary: analysis of size and laterality data by primary site with reevaluation of an algorithm for tumor classification.". Am J Surg Pathol 32 (1): 128-38. doi:10.1097/PAS.0b013e3180690d2d. PMID 18162780.
  2. Okamoto, T.; Matsumura, N.; Mandai, M.; Oura, T.; Yamanishi, Y.; Horiuchi, A.; Hamanishi, J.; Baba, T. et al. (Feb 2011). "Distinguishing primary from secondary mucinous ovarian tumors: an algorithm using the novel marker DPEP1.". Mod Pathol 24 (2): 267-76. doi:10.1038/modpathol.2010.204. PMID 21076463.