PMC6415281_01
The axial CT (a) shows right paratracheal air cysts, measuring 15 mm in the right posterolateral side of the trachea at the level of C6. On 3D reconstruction (b, c), the white arrow shows communicating channel with the tracheal lumen.
CRIS2019-3828197.001.jpg
PMC6415281_01_CRIS2019-3828197.001.jpg
fig1
The CT scan showed a right paratracheal well-defined air image immediately above the thoracic inlet (Figure 1).
(a) The diverticulum is identified, exposed, and resected. The posterior membrane was sutured with absorbable thread. (b) The specimen was sent to the pathologist that confirmed that it was a benign cyst.
CRIS2019-3828197.002.jpg
PMC6415281_01_CRIS2019-3828197.002.jpg
fig2
The lesion was identified behind the trachea-oesophageal groove connected with the trachea (Figure 2).