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Clinical and cross-sectional imaging features of spontaneous pancreatic pseudocyst-portal vein fistula.
Clinical Imaging 2017 July
PURPOSE: To evaluate clinical and imaging features of pancreatic pseudocyst-portal vein fistula (PPVF).
METHODS: Patients with evidence of PPVF on CT/MRI were included. Clinical presentation, outcomes, imaging appearance of the portal vein were recorded.
RESULTS: 75% of patients developed portal hypertension, 62% cavernous transformation of the portal vein and 25% portal biliopathy. PPVF presented on CT as fluid-attenuated portal vein, and on MRI as T2-weighted hyperintense fluid-filled portal vein. PPVF was misdiagnosed as portal vein thrombosis in all patients who underwent CT as initial examination.
CONCLUSIONS: Whenever PPVF is suspected on CT, MRI can be helpful to achieve accurate diagnosis and avoid unnecessary interventions.
METHODS: Patients with evidence of PPVF on CT/MRI were included. Clinical presentation, outcomes, imaging appearance of the portal vein were recorded.
RESULTS: 75% of patients developed portal hypertension, 62% cavernous transformation of the portal vein and 25% portal biliopathy. PPVF presented on CT as fluid-attenuated portal vein, and on MRI as T2-weighted hyperintense fluid-filled portal vein. PPVF was misdiagnosed as portal vein thrombosis in all patients who underwent CT as initial examination.
CONCLUSIONS: Whenever PPVF is suspected on CT, MRI can be helpful to achieve accurate diagnosis and avoid unnecessary interventions.
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