Hemiagenesis of the thyroid associated with chronic lymphocytic thyroiditis

R Sharma1, A Mondal, M Popli

  • 1Department of Nuclear Medicine, Institute of Nuclear Medicine and Allied Sciences (INMAS), Delhi, India.

Insights

This case study describes hemiagenesis of the left thyroid lobe, a rare condition. The patient also had chronic lymphocytic thyroiditis, an association not previously documented in medical literature.

Area of Science:

  • Endocrinology
  • Radiology
  • Pathology

Background:

  • Thyroid hemiagenesis is a rare congenital anomaly where one lobe of the thyroid gland fails to develop.
  • Hypothyroidism is a common endocrine disorder, often associated with autoimmune conditions like thyroiditis.

Observation:

  • A patient presented with clinical hypothyroidism and a right-sided goiter.
  • Imaging studies, including Tc-99m pertechnetate scan and ultrasonography, indicated hemiagenesis of the left thyroid lobe.
  • Fine-needle aspiration cytology revealed chronic lymphocytic thyroiditis in the right thyroid lobe.

Findings:

  • The case demonstrates hemiagenesis of the left thyroid lobe.
  • Chronic lymphocytic thyroiditis was diagnosed in the contralateral right lobe.
  • This represents a potentially novel association between thyroid hemiagenesis and chronic lymphocytic thyroiditis.

Implications:

  • This case highlights the importance of comprehensive evaluation in patients with thyroid anomalies.
  • Understanding this association may improve diagnostic and management strategies for similar rare thyroid conditions.
  • Further research is warranted to explore the potential link between congenital thyroid malformations and autoimmune thyroid disease.

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