Conjoined Twins: a Report of Four Cases.

Completed

Brief Summary: The present study aims to report our experience in conjoined twin separation surgery in Assuit university and pediatric hospital, Assiut university, Assiut, Egypt over a period of 20 years.

Detailed Description: A conjoined twin is a subset of monozygotic twin gestation. It's a rare phenomenon with an incidence of 1 in 50,000 to 1:100,000 births with the higher incidence in Africa and Southwest Asia. Based on the terminology proposed by Spencer and colleagues, conjoined twins are classified according to the most prominent site of conjunction into three major groups; First, twins with a ventral union; \[cephalopagus (head), thoracopagus (Thorax), omphalopagus (Abdomen) and ischiopagus (pelvis)\]. Second; twins with a dorsal union; \[pygopagus (sacrum), rachipagus (spine, back) and craniopagus (cranium)\] and lastly; twins with a lateral union that is referred to as parapagus (side). Depending on the aspect of the embryonic disc, the most common types are thoracopagus (19%).

Surgical separation of conjoined twins is extremely challenging taking in consideration the high perioperative risk. The low incidence of such surgeries and anatomical variations in each type of conjoined twins makes each separation surgery a unique experience.

Recruitment & Eligibility

Inclusion Criteria

Exclusion Criteria

Primary Outcome Measures

Name	Time	Method
Success of the conjoined twin separation surgery	For each case was the 1 week survival	The operative details of the separation surgery were written in details and the separation process was showen in pictures.

Secondary Outcome Measures

Name	Time	Method

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