Related Experiment Videos
Multiple endocrinopathies in an infant with fatal neurodegenerative disease
R R Shankar1, A Haider, W T Garvey
1Department of Pediatrics, Indiana University, Indianapolis, USA.
Insights
This case study details a male infant with congenital hypoparathyroidism who developed multiple endocrine and neurologic disorders, including hypothyroidism and diabetes mellitus. The rare syndrome led to severe developmental delay and multiorgan failure, with an unidentified molecular cause.
Area of Science:
- Endocrinology
- Neurology
- Genetics
Background:
- Congenital hypoparathyroidism is a rare endocrine disorder.
- Early-onset endocrine and neurologic dysfunction can present complex diagnostic challenges.
Observation:
- A male infant presented with congenital hypoparathyroidism, followed by primary hypothyroidism and insulin-dependent diabetes mellitus.
- Progressive neurologic deficits included severe developmental delay, blindness, deafness, seizures, and brain atrophy.
- Multisystem involvement was observed, including renal hypoplasia, hyporeninemic hypoaldosteronism, anemia, elevated liver enzymes, cardiac conduction abnormalities, T-cell reduction, and facial anomalies.
Findings:
- The patient exhibited a rare, severe syndrome with multiple endocrine and neurologic manifestations.
- Widespread organ system involvement suggested a complex underlying etiology.
- Despite clinical suspicion of a mitochondrial disorder, the specific molecular mechanism remains unidentified.
Implications:
- This case highlights a severe, likely genetic, syndrome with a broad impact on multiple organ systems.
- Further research is needed to elucidate the molecular basis of this rare condition.
- Understanding such syndromes is crucial for early diagnosis and potential therapeutic strategies.
Abstract:
We report on a male infant with congenital hypoparathyroidism who developed primary hypothyroidism at 3 months and insulin-dependent diabetes mellitus at 25 months. He had evidence of widespread and progressive neurologic dysfunction characterized by severe developmental delay, blindness, deafness, seizures, atrophy of the cerebellar and frontal lobes, and elevated spinal fluid protein. Also noted were renal hypoplasia, hyporeninemic hypoaldosteronism, chronic anemia, persistent elevation of liver transaminase levels, abnormal intraventricular cardiac conduction, reduction in numbers of helper T-cells, and distinctive facial anomalies. The child died of multiorgan failure at 29 months. A mitochondrial basis for the syndrome was considered but a molecular mechanism has, as yet, not been identified.