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Radiological features of neonatal mucolipidosis II (I-cell disease): a case report
Insights
This case report details mucolipidosis II (I-cell disease) in a newborn, highlighting severe skeletal abnormalities. Early diagnosis is crucial for differentiating it from other neonatal bone conditions.
Area of Science:
- Pediatric Radiology
- Skeletal Dysplasias
- Inborn Errors of Metabolism
Background:
- Mucolipidosis II (I-cell disease) is a rare lysosomal storage disorder.
- It presents with widespread cellular dysfunction and severe clinical manifestations.
- Early neonatal skeletal findings are not extensively documented.
Observation:
- A neonate presented with severe skeletal anomalies.
- Radiographic findings included diffuse periosteal new bone formation, osteopenia, resorbed bones (scapula, clavicula, mandible), and metaphyseal demineralization.
Findings:
- The observed skeletal changes are characteristic of severe, early-onset mucolipidosis II.
- Radiological features can mimic other neonatal skeletal conditions.
Implications:
- Radiologists play a key role in identifying mucolipidosis II in neonates.
- Including mucolipidosis II in the differential diagnosis aids timely and accurate diagnosis.
- Early diagnosis facilitates appropriate management and genetic counseling.
Abstract:
A case of mucolipidosis II (I-cell disease) in the early neonatal period is reported. The infant showed severe skeletal changes including diffuse periosteal new bone formation of long bones and ribs, marked osteopenia, resorption of scapula, clavicula, and mandible, and irregular demineralization of metaphyses of long tubular bones. Early skeletal manifestation of mucolipidosis II is not well known and differentiation from congenital syphilis or congenital hyperparathyroidism may be difficult. In such cases, a radiologist should assist in the diagnosis, and the list of differential diagnoses should include mucolipidosis II.
