CTICasesIatrogenic Diaphragmatic Laceration with Colonic Herniation Post-Nephrectomy
Imaging findings
Chest and abdominal CT scans show surgical clips in the right retroperitoneum from a prior nephrectomy. A modest-sized defect is present in the posterior right hemidiaphragm, through which the hepatic flexure of the colon has herniated into the right lower hemithorax.
Key takeaways
Diaphragmatic laceration is an uncommon iatrogenic complication of retroperitoneal surgeries such as nephrectomy. If a diaphragmatic violation goes unrecognized, the pressure gradient between the abdomen and chest can cause gradual herniation of abdominal viscera, such as the colon, which carries a risk of obstruction, strangulation, or volvulus, necessitating surgical repair.
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