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Removing A Parasitic Twin
Educational only: videos on MedicalVideos.com are for general information and are not medical advice. Always consult your own doctor about your health.
A parasitic twin (also known as an asymmetrical or unequal conjoined twin) is the result of the processes that produce vanishing twins and conjoined twins, and may represent a continuum between the two. Parasitic twins occur when a twin embryo begins developing in utero, but the pair does not fully separate, and one embryo maintains dominant development at the expense of the other. Unlike conjoined twins, one ceases development during gestation and is vestigial to a mostly fully-formed, otherwise healthy individual twin. The undeveloped twin is defined as parasitic, rather than conjoined, because it is incompletely formed or wholly dependent on the body functions of the complete fetus. The independent twin is called the autosite.
This video in 30 seconds
This video covers the removal of a parasitic twin. The description explains that a parasitic twin develops when twin embryos do not fully separate in the womb, leaving one incompletely formed twin dependent on the other, who is called the autosite.
Key points
- Covers removal of a parasitic twin
- Explains how a parasitic twin forms when twins do not fully separate
- Explains that the undeveloped twin is dependent on the complete twin
- Introduces the term autosite for the independent twin
Video Overview
This video presents “Removing A Parasitic Twin” — A parasitic twin (also known as an asymmetrical or unequal conjoined twin) is the result of the processes that produce vanishing twins and conjoined twins, and may represent a continuum between the two. Parasitic twins occur when a twin. Whether you are preparing for a procedure, studying the technique, or learning how a condition is assessed, the recording shows the process as it is performed in practice.
From our Pediatric Surgery collection: Operations on infants and children — hernia, appendectomy, congenital conditions — performed by pediatric surgeons. Browse all Pediatric Surgery videos →
Educational content only — not a substitute for professional medical advice.
Medical Videos
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Founded by Dr. Mohamed Ibrahim, MD, PhD — physician-scientist.
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