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KMID : 0361020000430070780
Korean Journal of Otolaryngology - Head and Neck Surgery
2000 Volume.43 No. 7 p.780 ~ p.784
Two Cases of Presumed Fourth Branchial Cleft Cyst in Neonate
Lee Kang-Dae

Lee Young-Sun
Pyo Kyung-Bo
Kim Young-Ok
Abstract
A cystic mass of the neck causing neonatal respiratory distress is usually cystic hygroma. A branchial
cleft cyst, however, also can cause respiratory distress in rare cases. The fourth branchial cleft cyst is
very rare entity and, until now, only 35 cases have been reported worldwide. There have been some
controversial attempts to prove its anatomical route through embryological background. Some reports,
however, even suggested that it might be impossible to prove its entity anatomically. Recently, reports are
coming out on the diagnostic approaches using not only anatomical pathway but also pathological
impression. Authors experienced in neonates two cases of lateral cystic neck mass which were
pathologically presumed to be fourth branchial cleft cyst. We are reporting these two cases with their
diagnostic basis and related literature.
KEYWORD
Fourth branchial cleft, Neonate
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