Summary
Congenital and acquired conditions presenting with leg length discrepancy, leg deformity or short stature are not only a challenge for paediatric orthopaedic surgeons in terms of treatment options but may also involve a number of medical specialties due to the complex clinical manifestations of the diseases. Various surgical treatment options are available for these rare genetic diseases, including bone lengthening and growth inhibition techniques for lower limb discrepancy, as well as guided growth and other surgical procedures for correction of angular deformities. Surgical techniques may be similar, but the treatment plans and specific multidisciplinary approaches may differ. The present report is focused on paediatric orthopaedic and multidisciplinary aspects of the treatment of rare bone diseases. We address the clinical presentation of these diseases, gait and surgical procedures for conditions such as achondroplasia, X‑linked hypophosphatemia and osteogenesis imperfecta. We also provide a short overview of other rare bone diseases.
Zusammenfassung
Angeborene und erworbene Erkrankungen mit Beinlängendifferenzen, Beindeformitäten oder Kleinwuchs stellen nicht nur eine Herausforderung für Kinderorthopäden dar, sondern können aufgrund der oft komplexen klinischen Manifestationen auch die Expertise verschiedener Fachgebiete erfordern. Verschiedene chirurgische Behandlungsoptionen stehen für diese seltenen Erkrankungen zur Verfügung, darunter Techniken zur Knochenverlängerung und Wachstumshemmung bei Längendiskrepanzen der unteren Extremitäten sowie Wachstumslenkung und invasivere chirurgische Verfahren zur Korrektur von Achsdeformitäten. Die verwendeten Operationstechniken werden entsprechend der knöchernen Deformität, nach Patientenalter, der Grunderkrankung und weiteren Faktoren gewählt. Diese seltenen Knochenerkrankungen verbindet jedoch die Notwendigkeit eines spezifischen multidisziplinären Behandlungsmodus. Die vorliegende Arbeit konzentriert sich auf pädiatrisch-orthopädische und multidisziplinäre Aspekte der Behandlung seltener Knochenerkrankungen. Klinische Manifestation, Gangbild und chirurgische Optionen bei Erkrankungen wie Achondroplasie, X‑chromosomaler Hypophosphatämie und Osteogenesis imperfecta werden dargestellt. Zusätzlich wird ein kurzer Überblick über weitere seltene Knochenerkrankungen gegeben, welche eines multidisziplinären Settings bedürfen.
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All authors contributed to this review article. Gabriel T. Mindler and Rudolf Ganger had the idea for the article, Gabriel T. Mindler and Alexandra Stauffer performed the literature search and drafted the manuscript. Rudolf Ganger critically revised the work.
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G.T. Mindler and A. Stauffer declare that they have no competing interests. R. Ganger reports personal fees from Smith & Nephew Europe and personal fees from Nuvasive Inc., outside the submitted work.
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Mindler, G.T., Stauffer, A. & Ganger, R. Leg lengthening and deformity correction in rare bone diseases: a multidisciplinary approach. Wien Med Wochenschr 171, 126–132 (2021). https://doi.org/10.1007/s10354-020-00805-7
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DOI: https://doi.org/10.1007/s10354-020-00805-7