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Peer-reviewed veterinary case report

Laparoscopic ovariectomy in two horses with granulosa cell tumors.

Journal:
Journal of the American Veterinary Medical Association
Year:
1996
Authors:
Ragle, C A et al.
Affiliation:
Department of Veterinary Clinical Sciences · United States
Species:
horse

Plain-English summary

Two mares were treated for ovarian tumors called granulosa cell tumors, which were located on one or both of their ovaries. The veterinarians used a minimally invasive surgical technique called laparoscopic ovariectomy, which involved making small incisions and using special instruments to remove the tumors. This method allowed for better visibility during surgery and reduced the risk of complications compared to traditional surgery. The procedure was successful in removing the tumors, which could be as large as 20 centimeters. Overall, laparoscopic ovariectomy proved to be a beneficial approach for these two mares.

Abstract

Two mares were admitted for ovariectomy of unilateral granulosa cell tumors. Both mares were ovariectomized (1 unilateral and 1 bilateral) by use of a ventral abdominal laparoscopic technique. This approach required tilting the operative table 30 degrees to elevate the pelvis and to allow observation of the ovaries. Using a single laparoscopic portal and 3 to 4 instrument portals, a triangulation technique was used. The ovarian pedicles were isolated and secured via loop ligation. The ovaries then were divided from the ligated pedicle and placed within specimen bags for extraction. The specimen bags then were removed through a ventral midline celiotomy. Using this technique, it was determined that granulosa cell tumors or ovaries of up to 20 cm in diameter can be removed. Laparoscopic ovariectomy provided a means to provide tension-free dissection and ligation of the ovarian pedicle. In comparison to conventional techniques, this may improve suture security and reduce complications related to excessive pedicle tension. Improved observation during surgery, less pedicle tension, and minimal invasiveness made laparoscopic ovariectomy of these 2 mares advantageous.

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Original publication: https://pubmed.ncbi.nlm.nih.gov/8800261/