Annular pancreas in the adult.

摘要: A NNULAR PANCREAS is a rare anatomic anomaly which, according to Ravitch and Woods,23 probably the only true congenital abnormality of gastrointestinal tract that often does not become apparent until adult life. It may be entirely asymptomatic discovered as an incidental finding at necropsy. The incidence condition difficult assess. McNaught 21 found 39 cases in literature before 1933. More recently, however, have been reported with increasing frequency, cumulative now records approximately 250 examples, which more than 70% since 1952. That supported by review Woods 3 three instances annular pancreas were 20,000 autopsies Johns Hopkins Hospital. Marchese 18 did find any 28,000 autopsies, Vasconcelos Sadek 28 one 22,243 abdominal operations. Between years 1947 1971, 14 patients seen treated Lahey Clinic Foundation, five whom documented previously.25'30 These form basis for presented here.