Thoraco-omphalopagus asymmetric conjoined twins: Report of a case and complete review of the literature

Calderoni, Davi Reis; Mizukami, Aline; Nunes, Paulo Henrique Facchina; Kharmandayan, Paulo

doi:10.1016/j.bjps.2013.06.022

Cited by 9 publications

(4 citation statements)

References 10 publications

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“…Omphalopagus asymmetric twinning is an extremely rare condition, with only 52 cases published to date with parasites resembling an almost complete but headless infant or a parasite consisting only of a supernumerary limb [4, 9]. Most of the omphalopagus parasites however have upper and lower limbs, the lower most often almost normal.…”

Section: Discussionmentioning

confidence: 99%

“…The latest review is from 2017 explaining conception mechanisms, extent of organ sharing, and prognosis of separation [ 3 ]. However, just one publication deals with asymmetric conjoined twinning [ 4 ]. This is not surprising as asymmetric or heteropagus conjoined twins is an even rarer condition with an incidence of one per one million live births [ 5 ].…”

Section: Introductionmentioning

confidence: 99%

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Asymmetric Omphalopagus in a Triplet after In Vitro Fertilization: A Rare Case of Conjoined Twinning

Jabari

Carbon

Besendörfer

et al. 2018

Case Reports in Pediatrics

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Introduction Asymmetric omphalopagus is a rare situation of conjoined twinning, in which a grossly defective twin is attached to the thorax and upper abdomen of the main twin. We describe a case of an asymmetric omphalopagus accompanied by a normal triplet after assisted reproductive technology (ART) and tried to further characterize the all aspects of the conjoined twins. Case Presentation: Perioperative diagnostic imaging was carried out followed by an autopsy to evaluate all aspects of the parasite accompanied by histological, immunohistochemical, and molecular biological evaluation. The parasite had well-developed lower extremities as well as upper extremities with a cleft hand syndrome. The sex was nondeterminable, but DNA fingerprinting revealed that both parasite and autosite are monozygotic, so are females. There was no sign of any axial skeleton or central nervous system. We found a rudimentary rectum with a nonpervious anus, a kidney, ureter, urinary bladder, and a blind-ending urethra. The blood supply of the parasite was connected to the vessel system of the autosite. Conclusions To our knowledge, only two cases of parasitic omphalopagus after ART have been described to date. Altogether, 52 cases have been reported, and in most of them, the parasites were successfully separated.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Asymmetric Omphalopagus in a Triplet after In Vitro Fertilization: A Rare Case of Conjoined Twinning

Jabari

Carbon

Besendörfer

et al. 2018

Case Reports in Pediatrics

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“…[1] Heteropagus twin refers to a type of conjoined twin in which an incomplete smaller (parasitic) twin is attached to and dependent on an otherwise normal host twin (termed the autosite). [2]…”

Section: Introductionmentioning

confidence: 99%

“…We present a case of successful surgical treatment of a parasitic heteropagus attached at the chest wall with a rare presentation of giant exomphalos on the autosite and no pleural involvement. [2]…”

Section: Introductionmentioning

confidence: 99%

Thoracic heteropagus conjoined twins associated to an omphalocele: Report of a case and complete review of the literature

Ahmed

Mahdi

Zitouni

et al. 2016

Afr J Paediatr Surg

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Heteropagus twins are an extremely rare event with an incidence of 1–2 million live births that represents, sometimes, a real challenge for paediatric surgeons. The majority of cases have complete or partial duplication of the pelvis and/or lower extremities. Thoracic heteropagus conjoined twins is a rare condition in which a grossly defective foetus (the parasite) is attached to the thorax of the main foetus (the autosite). We describe a case of a parasitic heteropagus attached at the chest wall with a rare presentation of giant exomphalos on the autosite. In this situation, the separation procedure was simple after a well-done anatomic study using X-ray, ultrasonography, magnetic resonance and echocardiogram are performed.

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A cohort of five cases with asymmetric conjoined twining and literature review

Zhi

Zhao

et al. 2021

Pediatr Surg Int

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Thoraco-omphalopagus asymmetric conjoined twins: Report of a case and complete review of the literature

Cited by 9 publications

References 10 publications

Asymmetric Omphalopagus in a Triplet after In Vitro Fertilization: A Rare Case of Conjoined Twinning

Asymmetric Omphalopagus in a Triplet after In Vitro Fertilization: A Rare Case of Conjoined Twinning

Thoracic heteropagus conjoined twins associated to an omphalocele: Report of a case and complete review of the literature

A cohort of five cases with asymmetric conjoined twining and literature review

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