Tornwaldt cyst
A Tornwaldt cyst also spelt as Thornwaldt or Thornwald cyst is a benign cyst located in the upper posterior nasopharynx. It can be seen on computed tomography (CT) or magnetic resonance imaging (MRI) of the head as a well-circumscribed round mass lying in the midline. In most cases, treatment is not necessary. It was first described by Gustav Ludwig Tornwaldt. See also
 Tornwaldt's disease

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Cysts
Human throat