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Ultrasound diagnosis of fourth branchial arch sinus at 22 weeks' gestation
Author(s) -
Horowitz E.,
Rabinerson D.,
Mashiach R.,
Shalev J.,
Meizner I.
Publication year - 2006
Publication title -
ultrasound in obstetrics and gynecology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.202
H-Index - 141
eISSN - 1469-0705
pISSN - 0960-7692
DOI - 10.1002/uog.2643
Subject(s) - medicine , chin , sternocleidomastoid muscle , branchial arch , anatomy , ultrasound , gestation , sinus (botany) , fetus , prenatal diagnosis , pregnancy , radiology , embryo , genetics , botany , biology , genus , microbiology and biotechnology
Fourth branchial arch sinus is the rarest of the branchial cleft anomalies and its prenatal detection has not previously been reported in the English literature. We describe a case of fourth branchial arch sinus identified in a fetus during a routine ultrasound evaluation at 22 weeks' gestation. Survey of the fetal anatomy revealed a small ‘nipple‐like’ structure on the neck, arising anteriorly to the sternocleidomastoid muscle, midway between the chin and the left shoulder. The structure persisted unchanged throughout the pregnancy. The prenatal diagnosis of fourth branchial arch sinus was confirmed at delivery at term. Copyright © 2006 ISUOG. Published by John Wiley & Sons, Ltd.