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7 Αυγ 2024 · Annular pancreas is a morphological anomaly that results in pancreatic tissue completely or incompletely encircling the duodenum. This condition can cause duodenal obstruction and is therefore important to recognize, as radiologists are frequently the first to make the diagnosis.
29 Μαΐ 2023 · Annular pancreas (AP) is a rare congenital anomaly characterized by partial or complete circumferential encasement of the second part of the duodenum by a band of pancreatic tissue during embryogenesis.
8 Μαΐ 2024 · Annular pancreas is a rare congenital abnormality characterized by a ring of pancreatic tissue surrounding the descending portion of the duodenum. It is thought to originate from incomplete rotation of the ventral pancreatic bud.
Annular pancreas is a rare condition in which the second part of the duodenum is surrounded by a ring of pancreatic tissue continuous with the head of the pancreas. This portion of the pancreas can constrict the duodenum and block or impair the flow of food to the rest of the intestines.
An annular pancreas is due to failure of the ventral bud to rotate, resulting in incarceration of the duodenum (7). In general, an annular pancreas is symptomatic in children, especially in the neonatal period (5), the main symptoms being bilious vomiting and abdominal distention (6). In adults, it is typically asymptomatic and is diagnosed as ...
It may be possible that there are two phenotypes of patients with annular pancreas – the first being a phenotype where the annular ring constricts the duodenum causing gastric outlet obstruction, and the second being a phenotype where the annular ring is relatively loose or incomplete.
29 Μαΐ 2023 · Annular pancreas (AP) is a rare congenital anomaly characterized by partial or complete circumferential encasement of the second part of the duodenum by a band of pancreatic tissue during embryogenesis. It is usually located above the papilla of Vater in approximately 85% of diagnosed cases.
