Fetal omphalocele in a common bottlenose dolphin (Tursiops truncatus)

Journal of Zoo and Wildlife Medicine : Official Publication of the American Association of Zoo Veterinarians
Cynthia R SmithS K Venn-Watson

Abstract

A routine pregnancy ultrasound examination of a 30-yr-old, multiparous, common bottlenose dolphin, Tursiops truncatus, detected an approximately 16-wk (gestational age) fetus with an omphalocele, an abdominal wall defect at the base of the umbilical cord. Throughout the pregnancy, ultrasound allowed for identification of the omphalocele contents, which included a portion of the liver and intestinal loops. The maximum diameter of the omphalocele was 11.4 cm at an estimated 51-wk gestation. Color Doppler was utilized to study the blood flow within the omphalocele as well as diagnose an associated anomaly of the umbilical cord, which contained three vessels instead of four. Gross necropsy and histopathology confirmed the ultrasound diagnoses. This is the first report of an omphalocele in a T. truncatus fetus, and the first report of a fetal and umbilical cord anomaly diagnosed with ultrasound in a cetacean.

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Citations

Apr 14, 2016·Diseases of Aquatic Organisms·Kathleen M ColegroveTeresa K Rowles
Jan 4, 2020·Veterinary Radiology & Ultrasound : the Official Journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association·Marina IvančićCynthia R Smith
Oct 28, 2019·Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology·Thomas M GalliganLori H Schwacke

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