CTICasesPleuro-peritoneal Fistula
Imaging findings
A patient on peritoneal dialysis developed pleural effusions. A fistulogram technique using contrast injected into the dialysis catheter demonstrated communication between the peritoneum and the pleural space.
Key takeaways
Peritoneal dialysis can lead to pleural effusions through trans-diaphragmatic pathways, even in the absence of macroscopic diaphragmatic holes, likely mediated by lymphatic drainage or membrane permeability.
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