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Peer-reviewed veterinary case report

Ovarian hematoma in an 11-year-old Thoroughbred-Hanovarian mare.

Journal:
The Canadian veterinary journal = La revue veterinaire canadienne
Year:
2003
Authors:
Curtin, Donna Judy E
Affiliation:
Ontario Veterinary College · Canada
Species:
horse

Plain-English summary

An 11-year-old Thoroughbred-Hanovarian mare was brought in for a prebreeding check-up and was found to have a very large ovary, about the size of a soccer ball. Initially, the veterinarian thought she might have a type of tumor called a granulosa thecal cell tumor. However, after further tests and examinations, they determined that she actually had an ovarian hematoma, which is a collection of blood in the ovary. Fortunately, with treatment, the hematoma got smaller.

Abstract

An aggressive mare, presented for prebreeding examination, was found to have a significantly enlarged ovary (soccer ball size). A granulosa thecal cell tumor was initially suspected. Following laboratory and repeated clinical examination, the mare was diagnosed with an ovarian hematoma, which regressed with treatment.

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Original publication: https://pubmed.ncbi.nlm.nih.gov/12892291/