Pediatric Hemobilia Etiology: Blood in the biliary tree from a surgical or percutaneous procedure or trauma or vascular malformation Imaging US: Echogenic material in bile ducts and gallbladder DDX: Complications: Treatment: Clinical: Radiology Cases of Hemobilia Transverse (above) and sagittal (below) US of the gallbladder show it to be diffusely filled with echogenic material.