J Korean Pediatr Soc.  1998 Jun;41(6):845-849.

A Case of Neonatal Hyperthyroidism with Unilateral Ear Anomaly

Affiliations
  • 1Department of Pediatrics, College of Medicine, Dongguk University, Kyongju, Korea.

Abstract

Neonatal hyperthyroidism is a very rare disorder occurring typically in the offspring of patients with Graves' disease or chronic thyroiditis. It is caused by the transplacental passage of thyroid stimulating antibodies (TSAb) from the mother to the fetus. There has been few reports of neonatal hyperthyroidism associated with congenital anomalies. We experienced a case of neonatal hyperthyroidism with unilateral microtia and agenesis of external auditory canal in a female neonate born to a mother who had euthyroid but with a thyroid stimulating antibody. The patient was presented with unusual alertness, tachycardia, tachypnea, watery diarrhea, periorbital swelling and exophthalmos. Diagnosis was made by thyroid function tests and TSAb. She was treated with Lugol solution, PTU and propranolol. New she is 6 months old and in good condition with no symptoms of hyperthyroidism.

Keyword

Neonatal hyperthyroidism; Thyroid-stimulating antibody (TSAb); Ear anomaly

MeSH Terms

Diagnosis
Diarrhea
Ear Canal
Ear*
Exophthalmos
Female
Fetus
Graves Disease
Humans
Hyperthyroidism*
Immunoglobulins, Thyroid-Stimulating
Infant
Infant, Newborn
Mothers
Propranolol
Tachycardia
Tachypnea
Thyroid Function Tests
Thyroid Gland
Thyroiditis
Immunoglobulins, Thyroid-Stimulating
Propranolol
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