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. 2022 Jun 29;114(12):596–610. doi: 10.1002/bdr2.2066

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© 2022 The Authors. Birth Defects Research published by Wiley Periodicals LLC.

This is an open access article under the terms of the http://creativecommons.org/licenses/by/4.0/ License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

PMC Copyright notice

Gross specimen described by Pannulo (Pannullo, 1952). Source: Used with permission from American Journal of Obstetrics and Gynecology. Publisher: Elsevier. Copyright © 1952 Published by Mosby, Inc.