Actinobaculum schaalii pyelonephritis in a kidney allograft recipient.

We present a case of a 64-year-old man, a kidney transplant recipient with acute pyelonephritis and acute graft deterioration. He was diagnosed with Actinobaculum schaalii infection in urine cultures. He was treated with antibiotics for 3 weeks and recovered well. The case describes an unusual pathogenic infection in a kidney transplant patient.