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JAMA. 1903;XL(16):1059-1062. doi:10.1001/jama.1903.92490160011001e.
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Anomalies in the development of the pancreas are rather rare occurrences, but when met they may be of practical importance to the clinician.

TYPES OF PANCREATIC ANOMALIES.  Pancreatic anomalies are divided usually into five types:1. One of the commonest types embraces the abnormalities of the excretory duct, of which Sappey1 describes the following five varieties: (a) The accessory duct of Santorini may be entirely absent, (b) The duct of Santorini sometimes is the main excretory duct and the duct of Wirsung the smaller accessory duct. (c) The duct of Wirsung occasionally does not pass through the ampulla of Vater, in common With the ductus choledochus, but empties into the duodenum independently, (d) Very rarely there are two excretory ducts of about equal size. They run parallel to each other through the entire length of the gland and, at the level where the accessory duct usually joins the


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