On examination there was no apparent source of infection. The surgical wound was clean. No signs of peritonism but some vague left upper quadrant tenderness. An ultrasound was accquried.
The spleen measures 13.8 cm and demonstrates an irregular hypoechoic lesion in the upper pole measuring 4.6 cm x 4 cm x 4.2 cm. No internal vascularity is seen in this region. The remainder of the scan was normal.