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A Large Thyroid Goiter in a Newborn With Congenital Hypothyroidism: Timeline for Decrease in Size of Thyroid.

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Summary
This summary is machine-generated.

Congenital hypothyroidism can cause large goiters in newborns. Prompt thyroid hormone replacement led to significant goiter regression, avoiding surgery and ensuring normal development.

Keywords:
aerodigestive compressioncongenital hypothyroidismcongenital neck massendocrine surgerythyroid goiter

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Area of Science:

  • Neonatal Medicine
  • Pediatric Endocrinology
  • Medical Imaging

Background:

  • Congenital hypothyroidism (CH) rarely presents as a significant neck mass in neonates.
  • A large fetal goiter can cause airway obstruction and necessitate Cesarean delivery.
  • Prenatal diagnosis of neck masses requires careful evaluation for underlying conditions like CH.

Purpose of the Study:

  • To report a case of congenital hypothyroidism presenting with a large goiter.
  • To discuss imaging modalities for fetal and neonatal neck masses.
  • To review medical and surgical management strategies for neonatal goiters secondary to CH.

Main Methods:

  • Prenatal ultrasound identified a large midline neck mass.
  • Cordocentesis revealed elevated thyroid-stimulating hormone (TSH).
  • Postnatal MRI confirmed a large goiter; diagnosis of primary hypothyroidism was established via laboratory studies.

Main Results:

  • The infant was diagnosed with congenital hypothyroidism and a large goiter.
  • Treatment with levothyroxine resulted in significant goiter volume reduction over several weeks.
  • The infant experienced no persistent compressive symptoms and demonstrated normal growth and neurodevelopment.

Conclusions:

  • Early diagnosis and treatment of CH with thyroid hormone replacement are crucial for goiter regression.
  • Medical management can often prevent the need for surgical intervention in neonatal goiters due to CH.
  • Surgical consideration is reserved for cases with persistent compressive symptoms despite optimal medical therapy.