Skin Creases, Congenital Symmetric Circumferential, 1, also known as michelin tire baby syndrome, is related to multiple benign circumferential skin creases on limbs and tubulinopathy. An important gene associated with Skin Creases, Congenital Symmetric Circumferential, 1 is TUBB (Tubulin Beta Class I), and among its related pathways/superpathways is Peroxisomal lipid metabolism. Affiliated tissues include skin and smooth muscle, and related phenotypes are micrognathia and pectus excavatum