Kidney nontumor
Hereditary renal disease
Hereditary onycho-osteodysplasia

Author: Nikhil Sangle, M.D. (see Authors page)

Revised: 6 February 2018, last major update January 2013

Copyright: (c) 2002-2018,, Inc.

PubMed Search: Hereditary onycho-osteodysplasia kidney pathology

Cite this page: Sangle, N. Hereditary onycho-osteodysplasia. website. Accessed March 17th, 2018.
Definition / general
  • Uncommon, autosomal dominant disease due to point mutations in LMX1B gene at 9q34, also 17q21-22
  • Also called nail patella syndrome, Turner-Keiser syndrome, Fong syndrome, Osterreicher Syndrome
  • Fingernail aplasia or dysplasia (especially first fingers), patellar absence or hypoplasia, subluxation of radial head and iliac horns
Clinical features
  • 1 per 50,000 live births
  • Renal involvement in 30 - 55% (Pediatr Nephrol 2009;24:2345), usually asymptomatic proteinuria but may progress to renal failure
Case reports
Microscopic (histologic) description
  • Focal thickening of glomerular capillary walls, variable sclerotic glomeruli
Microscopic (histologic) images

Images hosted on other servers:
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"Moth-eaten" appearance
of glomerular basement
Electron microscopy description
  • Irregular thickening of glomerular basement membrane with moth eaten electron lucent areas
  • Also collagen like fibers in electron lucent area and in mesangium
Electron microscopy images

Images hosted on other servers:
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Thickening of glomerular
basement membrane
and foot process fusion
Molecular / cytogenetics description