Alpha-N-acetylgalactosaminidase (NAGA) deficiency type 2 is a very rare mild adult type of NAGA deficiency with the features of angiokeratoma corporis diffusum and mild sensory neuropathy. The disease is MONDO_0012222 (alpha-N-acetylgalactosaminidase deficiency type 2). Also known as: Kanzaki disease, NAGA deficiency type 2, Schindler disease type 2, adult-onset Alpha-N-acetylgalactosaminidase deficiency.