Newborn with a mass at the umbilicus Pediatric Imaging Genitourinary February 28, 2026February 5, 2026 Transverse (left) and sagittal (right) US of the umbilicus shows a round hyperechoic lesion with a hypoechoic rim near the umbilical stump. The diagnosis was umbilical granuloma. Related Published February 28, 2026February 5, 2026