Neck

• thyroglossal cyst
  9 March 2004

  Cyst of the thyreoglossal tract; thyroglossal tract cyst, thyreoglossal cyst
  Digital case (Digital slides)
  HPC:374 : Cyst of the thyroglossal tract
  HPC:417 : Cyst of the thyroglossal tract
  Epidemiology
  most common congenital anomaly of the neck
  2-4% of all neck masses
  most commonly present in the first decade of life but also may be seen in adults.
  Etiopathogeny
  TGDCs are caused by a persistent epithelial tract, the thyroglossal duct, during the descent of the thyroid from the (...)

• branchial cleft cyst
  9 March 2004

  branchial cleft sinus, branchial cysts, branchial cleft cysts WKP
  Definition: A branchial cleft cyst is a congenital epithelial cyst that arises on the lateral part of the neck usually due to failure of obliteration of the second branchial cleft (or failure of fusion of the second and third branchial arches) in embryonic development. Less commonly, the cysts can develop from the first, third, or fourth clefts.
  About 20% of cervical masses in children.
  The cyst wall is composed of (...)

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