Second branchial cleft cyst

Case contributed by Dr Ammar Haouimi

Presentation

Painful swelling below the left mandibular angle.

Patient Data

Age: 20 years
Gender: Female
Ultrasound

There is a well-defined cystic lesion with a relatively thick regular wall and hypoechoic content with internal debris.

CT

Well circumscribed cystic lesion with homogeneous hypotense content and peripheral enhancement, located below the left mandibular angle, lateral to the carotid vessels and internal jugular vein, and anteromedial to the sternocleidomastoid muscle

 

Case Discussion

CT features are most consistent with an infected second branchial cleft cyst type II according to Bailey classification of second branchial cleft cysts.

In this location, the main differential diagnosis is cystic lymph nodes

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Case information

rID: 69262
Published: 4th Jul 2019
Last edited: 14th Aug 2019
System: Head & Neck
Inclusion in quiz mode: Included
Institution: Aurès Medical Imaging Center - Batna Algeria

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