Reading Part B41

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Questions count: 1
Passing grade: 4
Time limit: 3 minutes
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B41. Duodenal duplication:

Duodenal duplication

Duodenal duplication is an extremely rare pathology. It represents 4% of all digestive tract congenital malformations. It is often connected with intestinal malrotation, scalloped vertebras). In one of the cases, the degeneration arose on a mucous membrane of gastric type within the cyst of duplication and in the second it was duodenal mucous membrane. The diagnosis of cancer was made in both cases on the surgical pieces at anatomopathology. There had been no biopsy within the cyst. This malformation appears in 70% of the cases before one year of age, but the late revelation is possible. The digestive obstruction is the most frequent mode of revelation. Acute pancreatitis was reported and sometimes the diagnosis can be delayed many years. The duodenal duplication, the anomaly of the embryogenesis, is diagnosed most of the time in the childhood, even by prenatal diagnosis. The average age at the time of the diagnosis is from four months to nine years. Prevalence is slightly in favour of the male.

is associated with various anomalies.

can occur in two different ways.

Is a benign congenital defect, acquired during the embryonic development of the digestive tract.