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A 4-year tunneled hemodialysis catheter malpositioned into the azygos vein and how to remedy the hemodialysis circuit

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Mispositioning in the azygos vein is a rare but hazardous complication of central venous catheterization. A patient was admitted for a dysfunctional hemodialysis tunneled cuffed catheter (TCC) placed in the azygos vein for 4 years. Computed tomography angiogra... ...