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dc.contributor.authorNeill, Shane C O
dc.contributor.authorMurphy, Colin G
dc.contributor.authorMcElwain, John P
dc.date.accessioned2012-09-10T13:09:45Z
dc.date.available2012-09-10T13:09:45Z
dc.date.issued2012-07-16
dc.identifier.citationJournal of Medical Case Reports. 2012 Jul 16;6(1):196
dc.identifier.urihttp://dx.doi.org/10.1186/1752-1947-6-196
dc.identifier.urihttp://hdl.handle.net/10147/242292
dc.description.abstractAbstractIntroductionNail patella syndrome is a rare autosomal dominant hereditary condition, with an incidence of 22 per million in the United Kingdom. The syndrome’s most common features include iliac horns, hypoplastic patella and nail dysplasia.Case presentationWe report the case of a 26-year-old Caucasian man with nail patella syndrome who sustained a fracture of his right hypoplastic patella after a fall. His right knee became swollen and he was unable to extend against gravity immediately post fall. Radiographs revealed a fracture of the lower pole of his right patella with associated complete disruption of the extensor mechanism of the knee. He underwent operative fixation and his post operative course was uneventful. He was further treated post operatively with a full knee cast and graded immobilization. At six months he had regained the full range of motion at the knee joint.ConclusionsTo the best of our knowledge, this is the only case report in the literature describing a patella fracture in an individual with nail patella syndrome. We hypothesize that given the extent of pre-existing knee joint impairment in these individuals, functional outcome may be inferior, suggesting the need for more frequent follow-up.
dc.titleA hypoplastic patella fracture in nail patella syndrome: a case report
dc.typeJournal Article
dc.language.rfc3066en
dc.rights.holderShane C O Neill et al.; licensee BioMed Central Ltd.
dc.description.statusPeer Reviewed
dc.date.updated2012-09-10T11:07:58Z
refterms.dateFOA2018-08-22T21:44:10Z
html.description.abstractAbstractIntroductionNail patella syndrome is a rare autosomal dominant hereditary condition, with an incidence of 22 per million in the United Kingdom. The syndrome’s most common features include iliac horns, hypoplastic patella and nail dysplasia.Case presentationWe report the case of a 26-year-old Caucasian man with nail patella syndrome who sustained a fracture of his right hypoplastic patella after a fall. His right knee became swollen and he was unable to extend against gravity immediately post fall. Radiographs revealed a fracture of the lower pole of his right patella with associated complete disruption of the extensor mechanism of the knee. He underwent operative fixation and his post operative course was uneventful. He was further treated post operatively with a full knee cast and graded immobilization. At six months he had regained the full range of motion at the knee joint.ConclusionsTo the best of our knowledge, this is the only case report in the literature describing a patella fracture in an individual with nail patella syndrome. We hypothesize that given the extent of pre-existing knee joint impairment in these individuals, functional outcome may be inferior, suggesting the need for more frequent follow-up.


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