Persistent thyroglossal duct
Persistent Thyroglossal Duct
Persistent thyroglossal duct (per-sis-tent thy-ro-glos-sal duct) is a medical condition that occurs when the thyroglossal duct, a structure usually present only during the embryonic development of the thyroid gland, fails to atrophy and disappear as it normally should. This can lead to the formation of a thyroglossal duct cyst or fistula.
Etymology
The term "persistent thyroglossal duct" is derived from the Greek words "thyreos" (shield), referring to the shield-shaped thyroid gland, "glossa" (tongue), indicating the duct's connection to the base of the tongue, and "ductus" (leading), a Latin term referring to the duct's role in leading the developing thyroid gland to its final location in the neck.
Symptoms
Symptoms of a persistent thyroglossal duct may include a midline neck mass that moves with swallowing or protrusion of the tongue, discomfort in the neck, difficulty swallowing (dysphagia), and recurrent infections.
Diagnosis
Diagnosis of a persistent thyroglossal duct is typically made through physical examination and imaging studies such as ultrasound, computed tomography (CT) scan, or magnetic resonance imaging (MRI). A fine needle aspiration (FNA) biopsy may also be performed.
Treatment
Treatment for a persistent thyroglossal duct typically involves surgical removal of the duct and any associated cyst or fistula. This procedure is known as a Sistrunk procedure.
Related Terms
External links
- Medical encyclopedia article on Persistent thyroglossal duct
- Wikipedia's article - Persistent thyroglossal duct
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