Fig. 2

Abdominal computed tomography images for each patient. a (Patient 1): A large high-density lesion appeared in the gall bladder 15 days after ceftriaxone administration. b, c (Patient 9): A high-density lesion appeared in the gall bladder 21 days after administration of ceftriaxone (b), and it had completely resolved 37 days after cessation of ceftriaxone (c). d, e (Patient 5): A small high-density lesion appeared in the gall bladder 25 days after administration of ceftriaxone (d), and it had finally resolved 168 days after cessation of the first course of ceftriaxone (e). f (Patient 11): A high-density lesion was still present 274 days ceftriaxone administration in patient 11 who had a spinal cord injury