Journal of Korean Society of Ultrasound in Medicine 2012;31(1): 31-34.
Complicated Thyroglossal Duct Cyst Mimicking Malignancy on Ultrasound: A Case Report.
Injoong Kim, Eun Kyung Kim, Hee Jung Moon, Jin Young Kwak
Department of Radiology, Research Institute of Radiological Science, Yonsei University College of Medicine, Korea.
  Published online: March 26, 2012.
A Thyroglossal Duct Cyst (TGDC) is the most common cause of midline neck masses and is characterized in sonography as an anechoic or hypoechoic well-circumscribed cyst with posterior enhancement. TGDCs mostly occur in children and are easy to spot in them, but the sonographic appearance of TGDCs in adults is variable, ranging from a typical anechoic to a pseudosolid appearance. The presence of a solid component should alert the radiologist to the possibility of a cancer arising from the thyroglossal duct. We report here on our experience with a 58-year-old woman who had a complicated TGDC with a suspicious sonographic appearance of malignancy.
Keywords: Ultrasonography; Thyroglossal duct cyst; Complicated cyst
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