Autosomal dominant disorder.
Hypoplasia / absence of the patella
Dystrophic nails
Dysplasia of the elbows and iliac horns
![]() |
![]() |
||
An elbow from a man who suffers
from Nail-patella syndrome (NPS). |
This is a look from a different angle of the same man's other elbow. |
NPS gene located on chromosome 9q34. Mechanism unclear.
Renal disease found in less than half of patients. Usually benign with only 10% progressing to ESRD. Some develop nephrotic syndrome.