Diaphragmatic herniations of the ureter are a rare occurrence overall, with fewer than 10 cases reported. Obstructing nephrolithiasis in the setting of diaphragmatic ureteral herniation has sparsely been documented. Management options to consider include ureteroscopy and laser lithotripsy to alleviate obstruction in herniated ureters. The abnormal path of the ureter and surrounding structures pose unique risks that require careful attention and a high level of operator skill. We present imaging of an 84-year-old woman incidentally found to have right ureteral herniation through the diaphragm with an obstructing 8 mm stone in the right proximal ureter with moderate hydronephrosis.
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