Fourth branchial cleft cyst

Case contributed by Dr Wen Jak Ma

Presentation

Left neck lump with fluctuating size

Patient Data

Age: 25 years
Gender: Female
Ultrasound
Complex cystic mass immediately lateral to left hemithyroid.
CT

Cyst lateral to left hemithyroid, deep to sternocleidomastoid, displaces IJV anteriorly, CCA posteriorly.

Case Discussion

This cyst was aspirated. Cytology shows benign squamous cells, neutrophil polymoprhs, amorphous acellular debris. These findings support diagnosis of a branchial cleft cyst, with the position typical of a very rare fourth branchial cleft cyst.

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Case information

rID: 25589
Published: 30th Oct 2013
Last edited: 6th Apr 2021
System: Head & Neck
Inclusion in quiz mode: Included

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