has material basis in erythrokeratodermia variabilis autosomal recessive disease erythrokeratodermia variabilis et progressiva 4 An erythrokeratodermia variabilis that is characterized by severe lesions of thick scaly skin on the face and genitals, as well as thickened, red, and scaly skin on the hands and feet and that has_material_basis_in compound heterozygous mutation in the KDSR gene on chromosome 18q21. DOID:0080250 disease_ontology MIM:617526 autosomal recessive inheritance