Related Experiment Videos
Chondrodysplasia punctata: another possible X-linked recessive case
C P Bennett1, A C Berry, D J Maxwell
1Division of Medical and Molecular Genetics, Guy's Hospital, London, UK.
American Journal of Medical Genetics
|December 1, 1992
Summary
A fetus presented with facial abnormalities and skeletal stippling, characteristic of chondrodysplasia punctata (CP). The case suggests a potential diagnosis of X-linked recessive brachytelephalangic CP due to specific features.
Area of Science:
- Medical Genetics
- Skeletal Dysplasias
- Developmental Biology
Background:
- Chondrodysplasia punctata (CP) encompasses a group of skeletal dysplasias characterized by punctate calcification in cartilage.
- These disorders have diverse genetic causes and clinical presentations, affecting fetal development.
Observation:
- A 22-week intrauterine fetal demise presented with severe facial anomalies including a hypoplastic nose, short fingers, hypoplastic nails, and a small phallus.
- Radiological examination revealed symmetrical cartilaginous stippling in the vertebrae, femoral heads, calcanei, and elbows, along with metacarpal shortening and small pyramidal phalanges.
Findings:
- The observed radiological features are typical of chondrodysplasia punctata.
- The absence of significant limb shortening, coupled with specific phalangeal and facial abnormalities, points towards a diagnosis of X-linked recessive brachytelephalangic chondrodysplasia punctata.
Implications:
- This case contributes to the understanding of the phenotypic spectrum of chondrodysplasia punctata.
- Accurate diagnosis is crucial for genetic counseling and understanding prognosis in affected families.