| Namespace | disease_ontology | Obsolete | false |
| description | A nonepidermolytic palmoplantar keratoderma characterized by mild, well-demarcated, diffuse erythematous hyperkeratosis that is nonprogressive after the second decade of life which extends onto the dorsal surfaces of the palms and feet and the Achilles tendon area, with a high frequency of hyperhidrosis on the palms and soles and without flexion contractures or constricting bands that has_material_basis_in homozygous or compound heterozygous mutation in the SERPINB7 gene on chromosome 18q21.33. |