Ultrasonography.  2014 Jan;33(1):71-73.

Intrathyroidal thymic tissue mimicking a malignant thyroid nodule in a 4-year-old child

Affiliations
  • 1Department of Radiology, Kyung Hee University Hospital, Kyung Hee University College of Medicine, Seoul, Korea.
  • 2Department of Radiology, Kyung Hee University Hospital at Gangdong, Kyung Hee University College of Medicine, Seoul, Korea. md.cwryu@gmail.com
  • 3Department of Pathology, Kyung Hee University Hospital at Gangdong, Kyung Hee University College of Medicine, Seoul, Korea.
  • 4Department of Pediatrics, Kyung Hee University Hospital at Gangdong, Kyung Hee University College of Medicine, Seoul, Korea.

Abstract

Intrathyroidal thymic tissue is rare and may be confused with a malignant thyroid nodule because of hyperechoic dots mimicking calcifications. We report the case of a thyroid nodule with malignant ultrasonographic findings in a 4-year-old child, which was confirmed cytologically as ectopic thymic tissue. The sonographic findings of ectopic thymus were similar to those of the thymus; therefore, clinicians should be familiar with ultrasonography findings of normal thymic tissue.

Keyword

Thyroid; Thyroid nodule; Pediatrics; Ultrasonography

MeSH Terms

Child*
Child, Preschool*
Humans
Pediatrics
Thymus Gland
Thyroid Gland*
Thyroid Nodule*
Ultrasonography
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