Unusual Isolated Parapharyngeal Second Branchial Cleft Cyst: A Case Report and Literature Review

Figure 1

Preoperative magnetic resonance imaging. (a) Axial T1 postcontrast image with fat suppression showing the slightly hyperintense well-defined right parapharyngeal cyst with mild smooth linear wall enhancement and no enhancement of contents, medially indenting nasopharyngeal wall and displacing carotid sheath vessels posterolaterally. (b) Sagittal T2 sequence showing the well-defined cyst extending to skull base and contents heterogeneously hyperintense with fluid-fluid level.

(a)

(b)