You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Treatment of choice for annular pancreas is - and explain in detail?
Ans B Reference Sabiston Textbook of Surgery. 20th edition. Annular pancreas results from aberrant migration of the ventral pancreas bud which leads to circumferential or near-circumferential pancreas tissue surrounding the second portion of the duodenum This abnormality may be associated with other congenital defects, including Down syndrome, malrotation, intestinal atresia, and cardiac malformations If symptoms of obstruction occur surgical bypass through duodenojejunostomy is performed Axial image from an abdominal CT scan showing the annulus encircling the duodenum (arrow). Courtesy-