“…For example, in Adams–Oliver syndrome, ACC accompanies limb deformities, cutis marmorata telangiectasia congenita, and/or structural brain abnormalities . As in our patient, most defects heal spontaneously, with a resultant scar and alopecia . The etiology remains unclear, but theories include infection, defects in amniogenesis, teratogens, and vascular malformations .…”