Skeletal
for skeletal dysplasias with gene panel/exome sequencing
System Profile
Yield Comparison
Clinical Dimensions
- Short stature
- Pathologic fractures
- Hypermobility
- Limb asymmetry
- Scoliosis
- Chest wall deformity
- Osteogenesis imperfecta
- Skeletal dysplasias
- Limb reduction defects
- Craniosynostosis syndromes
- Marfan-related skeletal disease
- Dysmorphic facial features
- Abnormal body proportions
- Pectus deformities
- Scoliosis
- Hyperextensible joints
- Arachnodactyly
- Limb length discrepancy
- Cranial sutural ridging
- Joint pain with hypermobility
- Frequent sprains
- Bone pain
- Poor wound healing
- Delayed growth
- Recurrent fractures
- Scoliosis-related back pain
- Abnormal Ca/Phos/PTH
- Abnormal alkaline phosphatase
- Low vitamin D with dysmorphism
- Collagen or bone turnover marker abnormalities
- X-rays with wormian bones
- Metaphyseal flaring
- Osteopenia
- Bowed long bones
- Abnormal vertebrae
- Craniosynostosis
- Dysplastic epiphyses
- Bone age X-ray delayed/advanced
- DEXA with low BMD
- Skeletal survey with dysplasia or multiple fractures
- Imaging consistent with OI or skeletal dysplasia
- Chronic pain meds for fractures/deformities
- Bisphosphonate use in childhood
- Long-term bracing and orthopedic supports
- Poor wound healing after adhesives or tapes
- Severe reactions to casting or orthopedic hardware
- Contact sensitivities highlighting connective tissue fragility
- Fracture fixations in low-impact trauma
- Craniosynostosis repairs
- Limb deformity corrections
- Repeated orthopedic operations for skeletal dysplasia
- PT for hypermobility and scoliosis
- Orthotic training
- Post-surgical rehab
- Joint stabilization programs
- Spine braces for scoliosis
- Limb braces
- Orthotic shoes
- Helmets for cranial reshaping
- Orthopedics and genetics involved for suspected dysplasia
- Craniofacial team
- Scoliosis clinic
- Endocrine referral for short stature with anomalies
- Short stature
- Scoliosis
- Recurrent fractures
- Bone deformities
- Joint hypermobility
- Marfanoid habitus
- Known OI or dysplasia in family
- No significant trauma but recurrent fractures
- Adequate nutrition but poor growth
- No environmental reason for bone fragility or skeletal deformities
- Limb anomalies
- Clubfoot
- Polydactyly/syndactyly
- Chest wall deformities
- Short or bowed limbs
- Abnormal head shape suggesting craniosynostosis
- Fractures at birth
Red Flag Combinations
Clinical patterns that should prompt consideration of genetic testing
Short stature + recurrent fractures
Scoliosis + hypermobility
Craniosynostosis + limb anomalies
Chest wall deformity + aortic dilation
Screening Decision Pathway
When to consider genetic testing for skeletal presentations
graph TD
START["Patient Presents with\nSkeletal Concerns"] --> SCREEN{"Screen for\nRed Flags"}
SCREEN --> RF1["Growth charts showing abnormal body proportions"]
SCREEN --> RF2["Short stature crossing percentiles"]
SCREEN --> RF3["Failed scoliosis or posture screens"]
RF1 --> EVAL{"Multiple\nFlags Present?"}
RF2 --> EVAL{"Multiple\nFlags Present?"}
RF3 --> EVAL{"Multiple\nFlags Present?"}
EVAL -->|Yes| TEST["Order Genetic Testing\n(ES/GS)"]
EVAL -->|No| MONITOR["Continue Monitoring\nRe-evaluate if New Findings"]
TEST --> DX["Molecular Diagnosis\n42-69% yield"]
style TEST fill:#dcfce7,stroke:#16a34a,color:#14532d
style DX fill:#bbf7d0,stroke:#16a34a,color:#14532d
style MONITOR fill:#fef3c7,stroke:#d97706,color:#92400e
Screening Red Flags
Findings on routine screening that may indicate genetic etiology
- Growth charts showing abnormal body proportions
- Short stature crossing percentiles
- Failed scoliosis or posture screens
Exome / Genome Sequencing Indications
Clinical scenarios supporting ES/GS as a diagnostic approach
- Disproportionate short stature or bone anomalies
- Recurrent fractures with minimal trauma
- Craniosynostosis
- Suspected skeletal dysplasia with nondiagnostic basic panels
Key Evidence
Published studies supporting genetic testing for skeletal conditions
| Study | Year | Type | Sample | Yield | Key Finding |
|---|---|---|---|---|---|
| DNA Sequence Analysis in 598 Individuals With a Clinical Dia... | 2016 | Cohort | None | 97-99% | 97% mutation detection in OI type I and 99% in moderate-to-severe OI using gene ... |
| Diagnostic Strategies and Genotype-Phenotype Correlation in ... | 2018 | Cohort | None | None | Diagnostic strategies and genotype-phenotype correlation in large Indian OI coho... |
| Molecular diagnosis in rare skeletal dysplasia cohort | 2021 | Cohort | 114 | 77% | 77% molecular diagnostic yield in a rare skeletal dysplasia cohort of 114 patien... |
| WES for fetal skeletal dysplasia diagnosis | 2021 | Cohort | 38 | 65.79% | 65.79% diagnostic yield using whole exome sequencing for fetal skeletal dysplasi... |
| Diagnostic Utility of Next-Generation Sequencing-Based Panel... | 2021 | Cohort | None | 42% | 42% diagnostic yield in 543 skeletal dysplasia patients, 58% in fetal cases vs 3... |
| Trio prenatal exome sequencing with splice and mitochondrial... | 2022 | Cohort | 90 | 31.1% | 31.1% diagnostic yield using trio prenatal ES with enhanced splice and mitochond... |
| Rapid exome sequencing in critically ill children with skele... | 2022 | Cohort | 95 | 40% | 40% diagnostic yield using rapid exome sequencing in critically ill children, wi... |
| Exome sequencing for fetal short long bones | 2023 | Cohort | 94 | 40.4% | 40.4% diagnostic yield using exome sequencing for fetuses presenting with short ... |
Updated: 2026-02-24
Curated by: human
Status: human reviewed