Abstract
We present a set of female thoracoomphalopagus conjoined twins who were separated at ten months of age. Tissue expanders were used to expand the available soft tissue to cover the defect. The abdominal wall was closed by making a release incision on the outer aspect of the anterior sheath of the rectus muscle, detaching the anterior sheath of the muscle fibers, and flipping it over towards the midline. Meshes of decellularized collagen matrix were used to close the thorax. They had no major complications and were discharged from the hospital 60 days later. The girls are currently 5 years old and lead a normal life according to their age. We believe that the use of tissue expanders combined with the mobilization of aponeurotic flaps through discharge incisions adds a useful tool for the treatment of these patients.
Highlights
There are two types of twin pregnancy: dizygotic or fraternal, which represent 70%; and monozygotic, which are around 30%
We present a set of female thoracoomphalopagus conjoined twins who were separated at ten months of age
The abdominal wall was closed by making a release incision on the outer aspect of the anterior sheath of the rectus muscle, detaching the anterior sheath off the muscle fibers, and flipping it over towards the midline
Summary
There are two types of twin pregnancy: dizygotic or fraternal, which represent 70%; and monozygotic, which are around 30%. Sometimes monozygotic twins persist together in some segment after 13 days of embryonic development, and so-called conjoined twins develope, which are classified according to the anatomical region that joins them [1]. Thoracic are the most frequent (40 to 75%), omphalopagus (15 to 33%), ischiopagus (6 to 10%) and cephalopagus (2%). They are of the same sex and genetically identical. We present a case of female thoracoomphalopagus conjoined twins who were separated at ten months of age
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