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Skeletal dysplasia presenting as a neuromuscular disorder - report of three children
Jonas Bondestam1, Helena Pihko, Sanna-Leena Vanhanen
1Hospital for Children and Adolescents, Department of Pediatrics, P.O. Box 281, FIN-00029, Helsinki, Finland. jonas.bondestam@hus.fi
Insights
Skeletal dysplasias can mimic muscle disorders in children, presenting with gait issues and limb weakness. Early diagnosis of these bone conditions is crucial for effective treatment and fracture prevention.
Area of Science:
- Pediatric Orthopedics
- Neuromuscular Disorders
- Skeletal Dysplasias
Background:
- Investigated pediatric patients with suspected muscle disorders, characterized by waddling gait, muscle weakness, and pain.
- Standard diagnostic tests including serum CK, electroneuromyography (ENMG), and muscle biopsy yielded normal results.
Observation:
- One patient showed epiphyseal changes on ankle X-ray, diagnosed as Camurati-Engelmann disease.
- Similar clinical presentations prompted further investigation for bone abnormalities in the other two patients.
Findings:
- Diagnoses of Camurati-Engelmann disease and multiple epiphyseal dysplasia were established in the pediatric patients.
- These cases highlight skeletal dysplasia as a differential diagnosis for unexplained pediatric limb weakness and pain.
Implications:
- Skeletal dysplasia should be considered in the differential diagnosis of pediatric patients with unexplained muscle weakness and limb pain.
- Timely diagnosis and specific treatment for bone dysplasias can improve symptoms and reduce fracture risk in children.
Abstract:
Three pediatric patients were investigated because of suspected muscle disorder. They were clumsy with an awkward looking waddling gait and had increasing muscle weakness and pain in the legs. Serum CK-values, electroneuromyography (ENMG) and muscle biopsy were all normal. A post-traumatic X-ray of the ankle of one of them showed epiphyseal changes and his condition was diagnosed as Camurati-Engelmann disease. Because of similarities in the clinical presentation of these boys, bone changes were looked for in the two other patients and a diagnosis of multiple epiphyseal dysplasia was made. Skeletal dysplasia should be considered as a diagnostic alternative when a child presents with an unexplained muscle weakness accompanied with pain in the limbs. Specific treatment for bone dysplasias can alleviate symptoms and prevent fractures.
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