OBJECTIVES: Groove pancreatitis (GP) describes a form of segmental pancreatitis, which affects the pancreatic head at the interface with the duodenum, and is frequently associated with ectopic pancreatic tissue in the duodenal wall. We present a series of symptomatic patients with complicated GP who underwent pancreaticoduodenectomy, and review the diagnostic challenges, imaging modalities, pathological features and clinical outcome of this rare condition. PATIENTS AND METHODS: This was a prospective case base study of clinical, radiological and pathological data collected between the years 2000 and 2005 on patients diagnosed with severe GP--confirmed by histopathological examination following pancreaticoduodenectomy. RESULTS: In total 11 patients were included, presenting with chronic abdominal pain (n=11), gastric outlet obstruction (n=5) and jaundice (n=1). Exocrine dysfunction with associated weight loss (median > 9 kg) was present in 10 patients, and type 2 diabetes in 2 patients. Radiological imaging (CT/MRCP/EUS) provided complementary investigations and correlated well with classic histopathological findings (duodenal wall thickening, mucosal irregularity and Brunner's gland hyperplasia, duodenal wall cysts and pancreatic heterotropia). Following pancreaticoduodenectomy (median follow-up period 52 weeks) all patients experienced significant pain alleviation and weight gain (average 3 kg at 2 months). CONCLUSION: Pancreaticoduodenectomy is associated with significant improvements in weight gain and alleviates the chronic pain associated with severe GP.
OBJECTIVES: Groove pancreatitis (GP) describes a form of segmental pancreatitis, which affects the pancreatic head at the interface with the duodenum, and is frequently associated with ectopic pancreatic tissue in the duodenal wall. We present a series of symptomatic patients with complicated GP who underwent pancreaticoduodenectomy, and review the diagnostic challenges, imaging modalities, pathological features and clinical outcome of this rare condition. PATIENTS AND METHODS: This was a prospective case base study of clinical, radiological and pathological data collected between the years 2000 and 2005 on patients diagnosed with severe GP--confirmed by histopathological examination following pancreaticoduodenectomy. RESULTS: In total 11 patients were included, presenting with chronic abdominal pain (n=11), gastric outlet obstruction (n=5) and jaundice (n=1). Exocrine dysfunction with associated weight loss (median > 9 kg) was present in 10 patients, and type 2 diabetes in 2 patients. Radiological imaging (CT/MRCP/EUS) provided complementary investigations and correlated well with classic histopathological findings (duodenal wall thickening, mucosal irregularity and Brunner's gland hyperplasia, duodenal wall cysts and pancreatic heterotropia). Following pancreaticoduodenectomy (median follow-up period 52 weeks) all patients experienced significant pain alleviation and weight gain (average 3 kg at 2 months). CONCLUSION: Pancreaticoduodenectomy is associated with significant improvements in weight gain and alleviates the chronic pain associated with severe GP.
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