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Infantile convulsions: transient infantile hypocalcemia associated with skeletal deformities
Insights
This study reports a rare case of transient congenital idiopathic hypoparathyroidism in an infant presenting with skeletal deformities and temporary hypocalcemic convulsions. This condition, marked by low calcium levels and seizures, resolved spontaneously.
Area of Science:
- Pediatrics
- Endocrinology
- Medical Genetics
Background:
- Congenital idiopathic hypoparathyroidism is a rare endocrine disorder characterized by insufficient parathyroid hormone production.
- It typically presents with hypocalcemia and hyperphosphatemia, leading to neurological symptoms like seizures.
- Skeletal anomalies are not commonly associated with this condition.
Observation:
- A neonate presented with significant skeletal deformities including syndactyly and pes equinovarus.
- The infant also experienced recurrent hypocalcemic convulsions starting at 5 weeks of age.
- X-ray imaging revealed abnormalities in hand bone structure.
Findings:
- Both the hypocalcemic convulsions and low serum calcium levels were transient, resolving over time.
- The skeletal deformities were persistent, suggesting a complex etiology.
- The most probable diagnosis is transient congenital idiopathic hypoparathyroidism, a presentation previously undescribed with congenital skeletal anomalies.
Implications:
- This case expands the known clinical spectrum of transient congenital idiopathic hypoparathyroidism.
- It highlights the importance of considering this diagnosis even in the presence of congenital skeletal malformations.
- Further research is needed to understand the potential link between endocrine dysfunction and skeletal development in infants.
Abstract:
An infant with skeletal deformities and hypocalcemic convulsions is described. The convulsions, which were first noted in the 5th week of life, as well as the low serum calcium level were transient. The skeletal deformities consited of deformation of the terminal phalanges of the right third finger and right second toe, syndactyly of the third and fourth finger of both hands and left pes equinovarus. X-ray examination revealed abnormal shape and structure of some bones of the hands. The most likely diagnosis is transient congenital idiopathic hypoparathyroidism, which has not yet been described in association with congenital skeletal anomalies.