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Published on: April 17, 2013
Intrathyroidal ectopic thymic tissue may mimic thyroid cancer: a case report
Erdem Durmaz1, Ebru Barsal, Mesut Parlak
1Department of Pediatric Endocrinology, Akdeniz University, Antalya, Turkey. drerdemdurmaz@yahoo.com
Journal of Pediatric Endocrinology & Metabolism : JPEM
|February 22, 2013
Summary
Ectopic intrathyroidal thymus tissue is a rare cause of solitary thyroid nodules in children. This condition can mimic thyroid cancer, presenting as an enlarging, microcalcified nodule.
Area of Science:
- Endocrinology
- Pediatric Surgery
- Pathology
Background:
- Ectopic intrathyroidal thymus tissue is an uncommon condition.
- Thyroid nodules are frequently encountered in pediatric patients.
- Differentiating benign from malignant thyroid nodules is crucial in pediatric care.
Observation:
- A 4-year-old boy presented with a solitary, calcified thyroid nodule.
- Ultrasound revealed a microcalcified nodule in the right thyroid lobe.
- Fine-needle aspiration biopsy yielded inadequate results for diagnosis.
Findings:
- The nodule enlarged during follow-up, necessitating surgical intervention.
- Pathological examination confirmed the nodule to be ectopic intrathyroidal thymus tissue.
- This rare entity can mimic thyroid malignancy in children.
Implications:
- Ectopic thymus should be considered in the differential diagnosis of pediatric thyroid nodules.
- Microcalcifications and nodular enlargement can be misleading features.
- Accurate diagnosis is essential to avoid unnecessary thyroid cancer treatment in children.
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