Residual Fistula of Fourth Branchial Arch Anomalies and Recurrent Left-Side Cervical Abscess: Clinical Case and Review of the Literature

<div>T1 MRI coronal view after injection.</div>

Case Reports in Otolaryngology

Figure 4: Residual Fistula of Fourth Branchial Arch Anomalies and Recurrent Left-Side Cervical Abscess: Clinical Case and Review of the Literature 