Infected second branchial cleft cyst

Case contributed by Bahman Rasuli
Diagnosis almost certain

Presentation

Left neck pain and swelling.

Patient Data

Age: 20 years
Gender: Male
This study is a stack
Axial T2
fat sat
This study is a stack
Axial
T2
This study is a stack
Axial
T1
This study is a stack
Coronal T2
fat sat
This study is a stack
Coronal
T1
This study is a stack
Sagittal
T2
This study is a stack
Sagittal T1
C+ fat sat
This study is a stack
Coronal T1
C+ fat sat
This study is a stack
Axial T1
C+ fat sat
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Info

Large cystic lesion at the left submandibular region with the following criteria:

  • measures 4 x 5 in axial dimensions and 6 cm in CC dimension

  • low signal on T1, a high signal on T2 and T2 fat suppression sequences

  • displaces the left submandibular gland anteriorly and sternocleidomastoid muscle posterolaterally

  • post-contrast sequence reveals thick and irregular wall enhancement of the cyst

Case Discussion

MRI findings are consistent with the infected second branchial cleft cyst.

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