Infected Thyroglossal Duct Cyst vs. Lymphadenitis with Abscess
Infected Thyroglossal Duct Cyst vs. Lymphadenitis with Abscess Left picture: Here, an infected thyroglossal duct cyst is present.
Right picture: The diagnosis for this patient is a lymphadenitis with abscess.
For differentiation, the localization is helpful, e.g. median vs. lateral site: A lymphadenitis
with abscess lies often at the jaw angle, while inflammatory processes of the midline are
characteristic for infected thyroglossal duct cysts, or, in case of a jugular or submental site, for infected epidermoid cysts. Obviously, both toddlers have an inflammatory process of the neck. Due to the frequency of occurrence, a lymphadenitis with abscess is frequently considered. On looking closely, there is a difference in the two pathologies concerning the site on the neck and the prominence of the local finding.
Left picture: The local finding is localized in the midline and very prominent.
Right picture: The local findings lie on the left angle of the lower jaw and are not very prominent.
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