🧬 SyndromeScope
Syndrome reference sheet
Generated 12 Oct 2026
Orthopedics · Orthopedics / Skeletal dysplasia Nail-patella syndrome
Also known as: Fong disease; Turner–Kieser syndrome
Nail dysplasia, absent patellae and nephropathy.
- Medical specialty
- Orthopedics
- Subspecialty
- Orthopedics / Skeletal dysplasia
- Sex & age distribution
- Male: affected; Female: affected, equal; Children: yes, congenital
- Gene(s) involved
- LMX1B
Etiology & mechanism
LMX1B transcription factor mutation.
Gene(s) involved (1)
LMX1B
Symptoms & signs (6)
absent or hypoplastic patellaeelbow dysplasiaglaucomailiac hornsnail dysplasianephropathy