Infant with pus draining from the umbilicus Pediatric Imaging Genitourinary January 18, 2024December 14, 2023 Sagittal (above) and transverse (below) US of the infraumbilical region in the midline shows a round structure superior and anterior to the bladder that is primarily hypoechoic in appearance with an echogenic center. The diagnosis was an infected urachal cyst. Related Published January 18, 2024December 14, 2023