hereditary palmoplantar keratoderma, Gamborg-Nielsen type https://github.com/monarch-initiative/mondo/issues/6749 https://github.com/monarch-initiative/mondo/issues/6877 https://www.malacards.org/card/hereditary_palmoplantar_keratoderma_gamborg_nielsen_type hereditary palmoplantar hyperkeratosis, Gamborg-Nielsen type SCTID:717228004 palmoplantar keratoderma, Norrbotten recessive type OMIM:244850 GARD:0016767 Orphanet:86923 MONDO:0009489 Hereditary palmoplantar keratoderma, Gamborg-Nielsen type is characterized by the presence of diffuse palmoplantar keratoderma without associated symptoms. The syndrome has been described in multiple families from the northernmost county of Sweden (Norrbotten). The palmoplantar keratoderma found in the Gamborg-Nielsen type disease is milder than that found in Mal de Meleda but more severe than that found in Thost-Unna palmoplantar keratoderma. Transmission is autosomal recessive. PPKNR PPK, Gamborg-Nielsen type MESH:C565454 diffuse palmoplantar keratoderma