Intrapartum Uterine Rupture with Coincidental Uterine Adenomyosis in an African Wild Dog (Lycaon pictus)

Annie E. Newell‐Fugate, Annie Newell-Fugate, Emily Lane, Emily Mitchell
Journal of zoo and wildlife medicine : official publication of the American Association of Zoo Veterinarians · 2009 · vol. 40(4) , pp. 791–795 · doi:10.1638/2008-0160.1 · PMID:20063828 · W2119471312
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⚙ AI-generated summary by claude@2026-06, 2026-06-08 ⓘ

This case report describes a wild dog that died from uterine rupture and shock, complicated by adenomyosis, which likely contributed to the rupture during parturition.

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Abstract

A 7-yr-old African wild dog (Lycaon pictus) multiparous bitch experienced severe dystocia and death one day after the onset of parturition. Necropsy revealed three placental attachments in the right uterine horn and one in the left. A full-thickness rupture of the right horn at the middle placental attachment and an autolysed fetus free in the abdomen were present. Death was attributed to hypovolemic and endotoxemic shock after uterine rupture. Myometrium adjacent to the rupture and in the left uterine horn was subdivided into irregular pseudolobules by fibrous connective tissue tracts containing small endometrial glandular acini suggestive of adenomyosis, which may have facilitated uterine rupture. This is the first reported case of dystocia-induced uterine rupture and of adenomyosis in a wild dog.

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Condition tags

endometriosisadenomyosis

MeSH descriptors

Canidae Endometriosis Uterine Rupture Animals Animals, Zoo Endometriosis Endometriosis Fatal Outcome Female Fetal Death Fetal Death Pregnancy Uterine Rupture Uterine Rupture

Citation neighborhood

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