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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.[1] It is usually located above the papilla of Vater in approximately 85% of diagnosed cases.[2]
2 Σεπ 2020 · 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.
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 ...
23 Ιουν 2019 · In this anomaly, the annulus is often a flat band of pancreatic tissue completely encircling the second portion of the duodenum ( Figs. 96-12 and 96-13 ). Unusual locations of annular pancreas have also been reported to be around the third portion of the duodenum.
... pancreas is an uncommon developmental mal- formation characterized by a ring of pancreatic tissue en- circling the duodenum, most commonly the descending part of the duodenum (Fig. 6)...
Annular pancreas is a congenital anomaly where pancreatic tissue encircles the duodenum. Current knowledge of endoscopic findings of annular pancreas is limited to small case series. The aim of this study is to describe the endoscopic and pancreatographic findings of patients with annular pancreas at a large tertiary care ERCP center. Methods:
