First branchial cleft fistula presenting with internal opening on the Eustachian tube: Illustrated cases and literature review

International Journal of Pediatric Otorhinolaryngology
Yuhe LiuEnmin Zhao

Abstract

Two cases of first branchial cleft fistula with internal opening on the Eustachian tube are reported and the diagnosis, management and embryological hypothesis are discussed. Retrospective study and review of the literature. Both patients were young boys with first branchial cleft anomaly clearly identified by computed tomography fistulography scan and direct Methylene Blue dye injection. In both cases, surgical removal revealed a fistula with internal opening located on the Eustachian tube near the nasopharynx. The main embryological theories and classification are reviewed. A connection between the theories of first branchial apparatus development and the classification by Work might explain the reported clinical association.

References

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Citations

Sep 26, 2015·Journal of Endocrinological Investigation·C SpinelliA Messineo
Sep 22, 2016·Surgical and Radiologic Anatomy : SRA·Afroze S KhanRami J Salib
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May 31, 2020·Journal of Otolaryngology - Head & Neck Surgery = Le Journal D'oto-rhino-laryngologie Et De Chirurgie Cervico-faciale·A FanousF Denoyelle

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