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Cystic Duct Reduplication

Harry Perelman, M.D.
JAMA. 1961;175(8):710-711. doi:10.1001/jama.1961.63040080016020a.
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PLINY in 31 B. C. first recorded mention of a double gallbladder in an animal sacrificed during the celebration of Augustus' victory over Antony and Cleopatra.1 Boyden2 and Lee3 each pointed out that congenital abnormalities of the gallbladder and the biliary ducts are found much more commonly in domestic animals, notably cats and cattle, than in humans. Boyden studied the dissections of 19,000 human beings and found only five duplications. Lee stated that, with the possible exception of congenital atresia, major congenital malformations of the extra-hepatic bile system are rare in human beings. One hundred and fifty-eight cases of congenital abnormalities of the gallbladder reported in the literature were reviewed by Gross4 in 1936. Flannery and Caster1 reviewed the literature from 1936 to 1956 and added 101 additional cases. Skielboe5 reviewed 101 cases of double gallbladder, of which only 66 were proven by operation

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