Impossible syndrome

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X-ray of a right hand with hexadactyly
X-ray of a right hand with hexadactyly

Impossible Syndrome, or Chondrodysplasia situs inversus imperforate anus polydactyly, is a complex combination of human congenital malformations (birth defects). The malformations include chondrodysplasia (improper growth of bone and cartilage), situs inversus totalis (chest and abdominal organs all a mirror image of normal), cleft epiglottis and larynx, hexadactyly (six digits) on hands and feet, diaphragmatic hernia, pancreatic abnormalities, kidney abnormal on one side and absent on the other side, micropenis and ambiguous genitalia, and imperforate anus. Only one case of Impossible Syndrome has been reported; the infant was premature and stillborn.

[edit] References

  • Fraser FC, Jequier S, Chen MF (1989). "Chondrodysplasia, situs inversus totalis, cleft epiglottis and larynx, hexadactyly of hands and feet, pancreatic cystic dysplasia, renal dysplasia/absence, micropenis and ambiguous genitalia, imperforate anus". Am J Med Genet 34 (3): 401-5. PMID 2596528. 

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