World journal of gastrointestinal surgery · 2014
Lymphoepithelial cysts and cystic lymphangiomas: Under-recognized benign cystic lesions of the pancreas.
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Konstantinidis Ioannis T, Kambadakone Avinash, Catalano Onofrio A, Sahani Dushyant V, Deshpande Vikram, Forcione David G, Wargo Jennifer A, Fernandez-Del Castillo Carlos, Lillemoe Keith D, Warshaw Andrew L, Ferrone Cristina R
Аннотация
AIM: To identify their diagnostic and prognostic clinical characteristics in a large series.
METHODS: Retrospective review of clinicopathologic and imaging characteristics of patients diagnosed with lymphoepithelial cysts and cystic lymphangiomas of the pancreas at Massachusetts General Hospital.
RESULTS: Twelve patients were identified between 1/1/1997 and 8/1/2007. Their median age was 55.5 years (range 19-78 years), and 6 were females. The lesion was incidentally discovered in half of the patients. Contrast enhanced computed tomography demonstrated that the cysts had thin walls, without calcifications, pancreatic duct dilation or pancreatic parenchyma invasion. Endoscopic ultrasound with fine needle aspiration (EUS/FNA) confirmed the diagnosis of a lymphoepithelial cyst in 3 patients, one of whom was spared an operation and continues to do well after 6 years. Eleven patients had a resection: 3 pancreaticoduodenectomies, 7 distal pancreatectomies, and 1 enucleation. The median size of the cysts was 3 cm (range 2-20 cm). At a median follow-up of 57 mo no recurrences or other pancreas-related conditions occurred.
CONCLUSION: Lymphoepithelial cysts and cystic lymphangiomas of the pancreas can be diagnosed with a combination of contrast-enhanced computed tomography scans and EUS/FNA. If the lesion is asymptomatic, an operation might be avoided.
METHODS: Retrospective review of clinicopathologic and imaging characteristics of patients diagnosed with lymphoepithelial cysts and cystic lymphangiomas of the pancreas at Massachusetts General Hospital.
RESULTS: Twelve patients were identified between 1/1/1997 and 8/1/2007. Their median age was 55.5 years (range 19-78 years), and 6 were females. The lesion was incidentally discovered in half of the patients. Contrast enhanced computed tomography demonstrated that the cysts had thin walls, without calcifications, pancreatic duct dilation or pancreatic parenchyma invasion. Endoscopic ultrasound with fine needle aspiration (EUS/FNA) confirmed the diagnosis of a lymphoepithelial cyst in 3 patients, one of whom was spared an operation and continues to do well after 6 years. Eleven patients had a resection: 3 pancreaticoduodenectomies, 7 distal pancreatectomies, and 1 enucleation. The median size of the cysts was 3 cm (range 2-20 cm). At a median follow-up of 57 mo no recurrences or other pancreas-related conditions occurred.
CONCLUSION: Lymphoepithelial cysts and cystic lymphangiomas of the pancreas can be diagnosed with a combination of contrast-enhanced computed tomography scans and EUS/FNA. If the lesion is asymptomatic, an operation might be avoided.