Conjoined Twins: Developmental Malformations and Clinical Implications

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JHU Press, Jan 22, 2003 - Medical - 476 pages
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Although fertility drugs are increasing the incidence of twin births, conjoined twins remain rare at about 1 in 75,000 births. Nonetheless, they present a unique opportunity to learn about human development, as well as a challenge to medical professionals. In Conjoined Twins, Rowena Spencer, M.D., provides a comprehensive guide that thoroughly reviews the past century's literature on the subject and develops her theory of how these cases occur.

After introductory chapters on history and embryology, the book presents a separate chapter for each of the eight main types of conjoined twins. Detailed descriptions of conjoined twins are accompanied by information valuable in planning surgical treatment, as well as extensive tables summarizing the available data on each type. Conjoined triplets and unusual conjoined twins receive attention in the final two chapters. Including line illustrations and photographs, this encyclopedic book about a complex subject will be a valuable reference for the many professionals who evaluate, treat, and study conjoined twins.

 

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Contents

History
1
Embryology
9
Omphalopagus
58
Thoracopagus
102
Cephalopagus
148
Ischiopagus
184
Parapagus
240
Craniopagus
293
Rachipagus
332
Pygopagus
348
Conjoined Triplets and beyond Unusual Twins also Caudal Duplication Dimelia and Viviparity versus Oviparity
376
Parasitic Conjoined Twins Fetuses in fetu Acardiac Twins and Teratomas
392
References
419
Index
467
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About the author (2003)

Rowena Spencer, M.D., is a retired pediatric surgeon who devoted much of her professional career to surgical embryology.

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