A CASE OF SPLENIC AND PANCREATIC PSEUDOCYSTS DUE TO A TRAFFIC ACCIDENT

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  • 軽微な交通外傷が発症の契機になったと考えられた脾および膵仮性嚢胞の1例

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Abstract

A 51-year-old man had bumped into the rear of a car when he was driving his car at a low speed wearing a seat belt. About one month later, the patient felt dull pain from the left hypochondrium to back, and he was admitted to the hospital because of gradual aggravation of the pain. Abdominal ultrasonography revealed hypoechoic tumors, about 6 cm and 2 cm in diameter, with homogenous center at the lower pole of the spleen and pancreatic tail, respectively. Endoscopic retrograde pancreatography (ERP) revealed a retention of contrast mediun with the diameter of about 2 cm in the pancreatic tail. With further CT scan and magnetic resonance imaging, splenic and pancreatic cysts were diagnosed. Resection of the pancreatic tail and a splenectomy were performed. Histopathologically, both splenic and pancreatic cysts were pseudocyst with deposits of hemosiderin, indicating hemorrhage. It is thought that trauma plays an important role in etiology of pseudocysts. In this case, it is inferred that compression due to the seat belt at the bumping might cause the disease. Care must be exercised for the possibility in observation of clinical course of the patient even after slight accident.

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