PediatrCardiol

DOI 10.1007/s00246-010-9762-1

_ Springer Science+Business Media, LLC 2010

Received: 25 May 2010 / Accepted: 23 July 2010

Thoracoabdominal Situs: A Practical Approach Accompanied

by a Short History of Descriptive Terms

Author

William N Evans, MD

Source

Children’s Heart Center Nevada, 3006 S Maryland Pkwy, Ste 690, Las Vegas, NV 89109, USA.Email: WNevans50@aol.com.

Abstract

Classification systems for thoracoabdominal situs have been the subject of numerous reports, yet confusion persists. This essay presents an abbreviated historical review of the currently used terms, briefly discusses some of the nomenclature controversies, and proposes a classification system that more closely adheres to the etymology of the descriptors, especially ‘‘heterotaxy.’’

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