the pig by Mayer in 1825 and by Bang in 1876 in a female patient who died of volvulus. It was reported in the living by Hahn in 1899. Since then there have been a number of reports, mostly of single cases, but Doub and Shea (1960) described 16 cases in their practice.
No takes yet. Share an insight, caveat, or question.
Webb et al. (1968) studied this question.