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[Isolated hypothyroid dwarfism. Study of 18 cases].
Archives Francaises De Pediatrie
|May 1, 1983
Summary
Isolated hypothyroid dwarfism causes growth retardation in children. Early thyroid hormone treatment improves growth but may not fully correct height deficits.
Area of Science:
- Pediatrics
- Endocrinology
- Genetics
Context:
- Isolated hypothyroid dwarfism is a rare condition characterized by growth retardation without other clinical signs of thyroid insufficiency.
- This study investigated 18 cases, representing 6% of childhood hypothyroidism cases.
Purpose:
- To describe the clinical features, diagnostic findings, and treatment outcomes of isolated hypothyroid dwarfism.
- To evaluate the efficacy of thyroid hormone replacement therapy in this condition.
Summary:
- Key findings include delayed bone age, low plasma thyroxine (T4) in most patients, normal or low triiodothyronine (T3) in one, elevated thyroid-stimulating hormone (TSH) in all with exaggerated response to TRH stimulation.
- Enlarged sella turcica was observed in 11 patients, and the thyroid gland was ectopic in 14.
- Thyroid hormone treatment accelerated growth and bone maturation, but a complete catch-up in height was not achieved due to treatment delay.
Impact:
- Highlights the importance of early diagnosis and treatment of isolated hypothyroid dwarfism for optimizing growth outcomes.
- Provides insights into the diagnostic markers and therapeutic responses in pediatric patients with this condition.