CLN6-Batten disease, resulting from mutations in CLN6, constitutes two distinct diseases: a pediatric form, also referred to as variant late infantile neuronal ceroid lipofuscinoses, and a rare, less-severe adult-onset form referred to as Kufs type A disease [8, 9]. Here, CLN6 is linked to ceroid lipofuscinosis, neuronal, 6B (Kufs type).