Fetal Lobulations of Kidney Etiology: Congenital Imaging: Contour of kidney may retain its fetal lobulations at birth and this resolves after a few weeks DDX: Complications: None Treatment: None Clinical: Radiology Cases of Fetal Lobulations of Kidney Sagittal US of the right kidney shows a lobulated renal contour along the anterior aspect of the right kidney. The left kidney was absent.