Ovary

Tumor-like lesions

Hyperreactio luteinalis



Last author update: 1 August 2011
Last staff update: 16 October 2020

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PubMed Search: Hyperreactio luteinalis

Mohiedean Ghofrani, M.D.
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Cite this page: Ghofrani M. Hyperreactio luteinalis. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/ovarynontumorhyperreactio.html. Accessed February 22nd, 2024.
Definition / general
  • Bilateral, ovarian enlargement due to multiple, luteinized follicle cysts
Epidemiology
  • Rare
  • Associated with hydatidiform mole, choriocarcinoma, fetal hydrops due to Rh sensitization and multiple gestations
  • Rarely seen in uncomplicated, single pregnancy
Etiology
  • Due to hCG stimulation or hypersensitivity to hCG
Clinical features
  • Usually no symptoms, may have pain from hemorrhage; rarely ascites
  • Virilization in 15% of mothers but not female infants in cases without gestational trophoblastic disease
Prognostic factors
Case reports
Treatment
Gross description
  • Multiple, bilateral thin walled cysts, filled with clear or hemorrhagic fluid
Gross images

AFIP images

Both ovaries are
enlarged by
multiple thin
walled cysts

Microscopic (histologic) description
  • Follicular cysts with luteinization of theca interna or granulosa cells, edema of theca layer and stroma
Microscopic (histologic) images

AFIP images

Luteinized granulosa cells

Prominent edema
in the luteinized
theca cell layer

Ovarian stroma is markedly edematous

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