case_images: PMC6033246_01
case_images: Left cervical swelling (red circle) is seen on physical examination.
case_images: CRIOT2018-1696875.001.jpg
case_images: PMC6033246_01_CRIOT2018-1696875.001.jpg
case_images: fig1
case_images: On day 9, the patient developed neck swelling with approximately 5 cm soft mass (Figure 1) and inspiratory stridor and was referred to our department.
case_images: Posterior pharyngeal wall swelling was detected by preoperative laryngoscopy.
case_images: CRIOT2018-1696875.002.jpg
case_images: PMC6033246_01_CRIOT2018-1696875.002.jpg
case_images: fig2
case_images: Physical examination revealed swelling of the posterior pharyngeal wall, which caused extrinsic compression of the airway (Figure 2).
case_images: Computed tomography scan showed a cystic lesion on the left side of the neck. An air-fluid level could be detected within the cyst.
case_images: CRIOT2018-1696875.003.jpg
case_images: PMC6033246_01_CRIOT2018-1696875.003.jpg
case_images: fig3
case_images: Computed tomography (CT) (Figure 3) and magnetic resonance imaging (MRI) revealed a cystic lesion with air-fluid level, approximately 60 x 50 mm in size, on the left side of the neck, which extended from the epipharynx to the superior mediastinum.