Ultrasound of the Normal and Abnormal Ovulation in the Mare
By John R. Newcombe B. Vet. Med., MRCVS
The veterinary practitioner and lay ultrasonographer are often faced with ovarian images which have the potential to perplex, as they fall outside what the imagination has created to be a “normal” appearance for the stage being evaluated. In this presentation of ultrasound images John Newcombe takes us through the pre-ovulatory stages of a follicle, ovulation itself and the development of the corpus haemorragicum (“CH”) and/or corpus luteum (“CL). In addition, abnormal ovulations are imaged and reviewed, including Haemorrhagic Anovulatory Follicles (“HAF” – also known as “Anovulatory Haemorrhagic Follicles” or “AHF”) and Luteinized Unruptured Follicles (“LUF”) as well as an evaluation of a large variety of different appearances of the normal, along with explanations.
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