A group of inherited ectodermal dysplasias whose most prominent clinical feature is hypertrophic nail dystrophy resulting in PACHYONYCHIA. Several specific subtypes of pachyonychia congenita have been associated with mutations in genes that encode KERATINS.

A subtype of pachyonychia congenita that is associated with mutations in the genes for KERATIN-17 or KERATIN-6B.

A subtype of pachyonychia congenita that is associated with mutations in the gene for KERATIN-16 and the gene for KERATIN-6A.

Synonyms: Pachyonychia Congenita, Type 2, Pachyonychia Congenita, Type 1, Jackson-Lawler Type Pachyonychia Congenita, Pachyonychia Congenita, Jackson Lawler Type, Jackson-Lawler Syndrome (Pc-2), Type 1 Pachyonychia Congenita, Pachyonychia Congenita, Jackson-Lawler Type, Pachyonychia Congenita Jackson Lawler Type, Pachyonychia Congenita Syndrome, Congenital Pachyonychia, Pachyonychia Congenita, Jadassohn Lewandowsky Type, Pachyonychia Congenita Type 1, Jackson Lawler Syndrome (Pc 2), Jackson Lawler Type Pachyonychia Congenita, Syndrome, Jackson-Lawler (Pc-2), Jadassohn-Lewandowski Syndrome (Pc-1), Jadassohn Lewandowsky Syndrome, Jadassohn-Lewandowsky Syndrome, Jadassohn Lewandowski Syndrome (Pc 1), Pachyonychia Congenita, Syndrome, Jadassohn-Lewandowski (Pc-1), Pachyonychia Congenita Tarda, Type 1, Pachyonychia, Congenital, Type 2 Pachyonychia Congenita, Pachyonychia Congenita, Jadassohn-Lewandowsky Type