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Schimke immuno-osseous dysplasia: two cases
Anna Tylki-Szymańska1, Antoni Pyrkosz, Małgorzata Krajewska-Walasek
1Department of Metabolic Diseases, The Children's Memorial Health Institute, Al. Dzieci Polskich 20, 04730, Warsaw, Poland. atylki@czd.waw.pl
Insights
Schimke immuno-osseous dysplasia (SIOD) is a rare condition causing growth failure and bone issues. Early diagnosis, aided by urine tests for proteinuria, is crucial for managing this immune and skeletal disorder.
Area of Science:
- Pediatric Endocrinology
- Skeletal Dysplasias
- Immunodeficiency
Background:
- Schimke immuno-osseous dysplasia (SIOD) is a rare genetic disorder.
- It presents with growth retardation, renal failure, spondyloepiphyseal dysplasia, and immune deficiency.
Observation:
- Two pediatric patients with SIOD were studied.
- Both exhibited characteristic bone dysplasia on radiographic imaging.
Findings:
- SIOD diagnosis should be considered in children with unexplained growth failure and bone dysplasia.
- Proteinuria detected through urine tests may aid in early SIOD diagnosis.
Implications:
- Highlights the importance of considering SIOD in differential diagnoses for growth failure.
- Suggests urine proteinuria screening as a valuable diagnostic tool for SIOD.
- Emphasizes the need for multidisciplinary management of SIOD patients.
Abstract:
We report two patients with Schimke immuno-osseous dysplasia (SIOD). SIOD is characterised by growth retardation, renal failure, spondylo-epiphyseal dysplasia, specific phenotype and defective cellular immunity. These two children demonstrated a bone dysplasia with characteristic radiographic appearances. We postulate that SIOD should be considered in all cases of growth failure with an unclassifiable bone dysplasia. Repeated urine tests for proteinuria could be helpful in reaching the correct diagnosis.
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