Transrectal ultrasonogram of the lumbosacral area of the same heifer calf three weeks after the start of antibiotic treatment. There are hyperechoic reactions ventral to the lumbosacral space surrounded by fluid accumulation in the soft tissues. The ventral longitudinal ligament is displaced ventrally (*). CRA = cranial, CAUD = caudal.
Muggli et al. BMC Veterinary Research 2011 7:53 doi:10.1186/1746-6148-7-53