Thyroid gland
Congenital anomalies
Cystic ultimobranchial body remnants

Author: Shahidul Islam, M.D., Ph.D. (see Authors page)

Revised: 16 February 2017, last major update March 2009

Copyright: (c) 2003-2017,, Inc.

PubMed search: cystic ultimobranchial body remnants

Cite this page: Cystic ultimobranchial body remnants. website. Accessed April 25th, 2017.
Definition / General
  • Very common in neonates
  • Usually soft tissue of neck near thyroid, occasionally within thyroid
Clinical Features
Micro Description
  • Cysts lined by flattened multilayered epithelium of squamous cells, occasionally ciliated columnar epithelium
  • May contain dense eosinophilic material in lumen
  • May be adjacent to solid cell nests; variable lymphocytes and rare pancreatic tissue
Micro Images

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Cystic solid cell nests