JMA Journal

Figure 1. Clinical course of the patient.

Figure 2. Abdominal CT at admission. The yellow triangular arrow indicates the IPA and the blue triangular arrow indicates the ureter. Communication between the ureter and the iliopsoas abscess was observed. (a) Axial view. (b) Coronal view. (c) Sagittal view.

Figure 3. X-ray fluoroscopy. When a contrast medium was injected through the IPA drain, the kidneys, ureter, and bladder were also contrasted.

Figure 4. Schema of the patient. The red area indicates IPA. There is a stone in IPA, and IPA causes hydronephrosis.