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Peer-reviewed veterinary case report

Intravascular Adenomyosis in a Cynomolgus Macaque (Macaca Fascicularis).

Journal:
Journal of medical primatology
Year:
2026
Authors:
Ruetten, Hannah M et al.
Affiliation:
Wake Forest Institute for Regenerative Medicine · United States

Abstract

Intravascular adenomyosis was discovered in a cynomolgus macaque, a previously unreported presentation of adenomyosis in non-human primates that points to vascular involvement in adenomyosis etiology. Uterus gross exam was unremarkable, but histologic examination revealed multifocal endometrial tissue intimately associated with large thin-walled myometrial vessels and surrounded by CD31 immunopositive endothelium.

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Original publication: https://pubmed.ncbi.nlm.nih.gov/41498227/