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Treatment of haemoperitoneum secondary to ruptured granulosa cell tumours in two mares

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    Rights statement: © 2018 The Authors Equine Veterinary Education published by John Wiley& Sons Ltd on behalf of British Equine Veterinary Association This is an open access article under the terms of the Creative Commons Attribution‐NonCommercial‐NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non‐commercial and no modifications or adaptations are made.

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Original languageEnglish
JournalEquine Veterinary Education
Early online date15 May 2018
Publication statusE-pub ahead of print - 15 May 2018


This report describes two cases of successful surgical management of granulosa cell tumours (GCT) in mares presenting with haemoperitoneum (HP). Controlled abdominal drainage was initially attempted in Case 1 but was not successful. A ventral midline exploratory laparotomy allowed removal of a haemorrhaging 13 kg GCT. The mare made a full recovery and returned to normal work as a driving pony 11 months post-operatively. In Case 2 controlled abdominal drainage was followed by standing left flank laparoscopic visualisation of the bleeding ovary and transection of the ovarian pedicle by electrocautery. The GCT was then removed via a ventral midline incision due to its large size. Haemoperitoneum can be associated with GCTs and in some cases is severe enough to prompt emergency treatment. Stabilisation of the patient and removal of the haemorrhaging GCT can lead to a successful outcome.

    Research areas

  • Abdominocentesis, Autologous blood transfusion, Granulosa cell tumour, Haemoperitoneum, Horse, Ovariectomy

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