title: The nail points to the diagnosis. Fong disease or hereditary osteo-onychodysplasia.
authors.affiliation: Clinical Genetic Service, Department of Health, Hong Kong.
authors.forename: Stephanie Y K
authors.initials: SY
authors.lastname: Tong
authors.affiliation: Clinical Genetic Service, Department of Health, Hong Kong.
authors.forename: H M
authors.initials: HM
authors.lastname: Luk
authors.affiliation: Clinical Genetic Service, Department of Health, Hong Kong.
authors.forename: Tony M F
authors.initials: TM
authors.lastname: Tong
authors.affiliation: Clinical Genetic Service, Department of Health, Hong Kong.
authors.forename: Ivan F M
authors.initials: IF
authors.lastname: Lo
mesh_terms: D018771:Arthralgia / Q000235:genetics; D006801:Humans; D007717:Knee / Q000503:physiopathology; D008297:Male; D008875:Middle Aged; D009260:Nail Diseases / Q000235:genetics; D009261:Nail-Patella Syndrome / Q000150:complications / Q000175:diagnosis* / Q000235:genetics; D009262:Nails / Q000473:pathology*; D013933:Thumb