Primary retroperitoneal mucinous cystic tumors are extremely rare.These tumors can be classified as a primary retroperitoneal mucinous cystadenoma with or without borderline malignancy or primary retroperitoneal mucin...Primary retroperitoneal mucinous cystic tumors are extremely rare.These tumors can be classified as a primary retroperitoneal mucinous cystadenoma with or without borderline malignancy or primary retroperitoneal mucinous cystadenocarcinoma.The most common of these is primary retroperitoneal mucinous cystadenoma,which almost always occurs in female patients;only ten cases have been reported in males.The most common clinical findings for this tumor type include nonspecific abdominal pain and a palpable abdominal mass.A definitive diagnosis is usually obtained from histopathology after surgical excision.Here,we report the case of a 60-year-old female patient who complained of abdominal pain that had been present for 3 mo and presented with a palpable abdominal mass.Multidetector computed tomography scanning revealed a large,unilocular cystic mass in the left retroperitoneal space.Surgical intervention was performed and the tumor was completely removed.Histopathologic examination confirmed that the tumor was a primary retroperitoneal mucinous cystadenoma.Two years after surgery,the patient remains disease free.展开更多
Chronic pancreatitis is a long-standing inflammation of the pancreas,characterized by progressive inflammatory and fibrotic changes,resulting in permanent structural damage of pancreatic parenchyma[1].Pancreatitis(chr...Chronic pancreatitis is a long-standing inflammation of the pancreas,characterized by progressive inflammatory and fibrotic changes,resulting in permanent structural damage of pancreatic parenchyma[1].Pancreatitis(chronic or acute)is the primary risk factor for pseudo-splenic artery aneurysms,along with pancreatic pseudocysts and trauma.As the disease progresses,patients with chronic pancreatitis may develop complications due to exocrine and endocrine pancreatic functional loss,such as fat malabsorption with steatorrhea,glucose intolerance,and ultimately diabetes mellitus[1,2].Furthermore,severe pancreatic inflammation can cause weakening of vessel walls,with subsequent formation of arterial pseudoaneurysms.Splenic artery is the most commonly affected visceral artery[2,3].Liver cirrhosis,portal hypertension,liver transplantation,atherosclerosis,hypertension,pregnancy and multiparity are main risk factors for true splenic artery aneurysms[2].Rupture and intraperitoneal bleeding is the cause of death in 30%−50%of patients.Thus,prompt diagnosis and appropriate treatment are of great clinical importance[4,5].Herein,we present a case of a giant splenic artery pseudoaneurysm within a walled of necrosis involving pancreatic parenchyma,as a complication of long standing chronic pancreatitis.展开更多
文摘Primary retroperitoneal mucinous cystic tumors are extremely rare.These tumors can be classified as a primary retroperitoneal mucinous cystadenoma with or without borderline malignancy or primary retroperitoneal mucinous cystadenocarcinoma.The most common of these is primary retroperitoneal mucinous cystadenoma,which almost always occurs in female patients;only ten cases have been reported in males.The most common clinical findings for this tumor type include nonspecific abdominal pain and a palpable abdominal mass.A definitive diagnosis is usually obtained from histopathology after surgical excision.Here,we report the case of a 60-year-old female patient who complained of abdominal pain that had been present for 3 mo and presented with a palpable abdominal mass.Multidetector computed tomography scanning revealed a large,unilocular cystic mass in the left retroperitoneal space.Surgical intervention was performed and the tumor was completely removed.Histopathologic examination confirmed that the tumor was a primary retroperitoneal mucinous cystadenoma.Two years after surgery,the patient remains disease free.
文摘Chronic pancreatitis is a long-standing inflammation of the pancreas,characterized by progressive inflammatory and fibrotic changes,resulting in permanent structural damage of pancreatic parenchyma[1].Pancreatitis(chronic or acute)is the primary risk factor for pseudo-splenic artery aneurysms,along with pancreatic pseudocysts and trauma.As the disease progresses,patients with chronic pancreatitis may develop complications due to exocrine and endocrine pancreatic functional loss,such as fat malabsorption with steatorrhea,glucose intolerance,and ultimately diabetes mellitus[1,2].Furthermore,severe pancreatic inflammation can cause weakening of vessel walls,with subsequent formation of arterial pseudoaneurysms.Splenic artery is the most commonly affected visceral artery[2,3].Liver cirrhosis,portal hypertension,liver transplantation,atherosclerosis,hypertension,pregnancy and multiparity are main risk factors for true splenic artery aneurysms[2].Rupture and intraperitoneal bleeding is the cause of death in 30%−50%of patients.Thus,prompt diagnosis and appropriate treatment are of great clinical importance[4,5].Herein,we present a case of a giant splenic artery pseudoaneurysm within a walled of necrosis involving pancreatic parenchyma,as a complication of long standing chronic pancreatitis.