Figure 1. shows a CT scan with the yellow arrow pointing to the pneumomediastinum

From

Perforated before Biopsy: A Case of Eosinophilic Esophagitis Complicated by Esophageal Perforation

Shion Betty, Nicola Jackson, Zahraa Rabeeah

American Journal of Medical Case Reports. 2021, 9(6), 325-327 doi:10.12691/ajmcr-9-6-5