PLA2G6 and neurodegeneration with brain iron accumulation 2A: PLA2G6‐associated neurodegeneration (PLAN) is a heterogeneous class of autosomal recessive neurodegenerative conditions that categorized into four subtypes, based on onset age, containing infantile neuroaxonal dystrophy (INAD), autosomal recessive early‐onset parkinsonism, dystonia‐parkinsonism, and atypical neuroaxonal dystrophy (ANAD).1, 2