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Related to thyroglossal: Thyroglossal duct, thyroglossal fistula


a. tirogloso-a, rel. a la tiroides y a la lengua.
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Serious adverse events occurred in four children and included grade 3 obstructive sleep apnea, grade 1 tonsillar hypertrophy, grade 3 thyroglossal cyst, and grade 3 syrinx.
Branchial cleft anomalies are the most common congenital lesions of the neck after thyroglossal duct cysts.
Salivary gland neoplasms, thyroglossal duct cyst, laryngocele, teratoma, dermoid cyst, thymic cyst, paraganglioma, neurinoma and lipomas should be considered in differential diagnosis.
These children were recruited from patients referred for neck ultrasonography for non-thyroid pathologies (lymphadenopathy, thyroglossal cyst, brachial cyst, etc) between 4-14 years of age.
(6) Given the anatomic location of base-of-tongue cysts, the differential diagnosis should also include mucoceles, thyroglossal duct cysts, dermoid cysts, epidermoid cysts, vallecular cysts, hemangiomas, cystic hygromas, lymphangiomas, thyroid remnant cysts, teratomas, and hamartomas.
At its early stage of development, thyroid gland is linked with the tongue via a very small tube called, thyroglossal duct.
First, the embryonic nest theory postulates the origin of squamous cells from the remnants of thyroglossal duct or the epithelium of the thymus.
The origin of dermoid cysts still remains incompletely understood; they are considered to be congenital developmental abnormalities, with entrapment of pluripotent stem cells, implantation of the epithelial tissue, anomaly of thyroglossal duct or canal, or a consequence of a trauma.
The non-neoplastic category comprised of- 1) Cystic lesions like epidermal inclusion cyst (EIC), thyroglossal cyst and mucocele/ mucus retention cyst; 2) Inflammatory like non-specific acute and chronic inflammation/ abscess or granulomatous lesion; 3) Vascular lesions; 4) Parasitic infestation like cysticercosis.
(5) The differential diagnosis includes hemangioma, lymphangioma, teratoma, thyroid ectopia and, thyroglossal duct cyst.
In addition, an incidental thyroglossal duct cyst was identified without sign of infection (Figure 3).
The expansive differential diagnosis such as epidermal cysts, furuncle, carbuncle, branchial cleft fistula, pyogenic granuloma, salivary gland fistula, actinomycosis, thyroglossal tract fistula, basal cell and squamous cell carcinoma, osteomyelitis, and foreign body reaction further compound the diagnostic dilemma [5].