Post–COVID-19 Vanishing Paraseptal Emphysema

Autobullectomy with COVID-19 in a patient with chronic obstructive pulmonary disease

“…After autobullectomy, shrinkage of the bulla is observed on chest radiography or CT, with improvement in pulmonary function tests [ [4] , [5] , [6] ]. Despite the pandemic, to date, there have been only a few reports of autobullectomy caused by COVID-19 [ 7 ].…”

“…Around emphysematous tissue, the fibrosing process may result in emphysema shrinkage [ 5 ]. It may result from inflammation in the airways, obstructing air supply to the bulla [ 4 , 6 , 7 , 9 ]. In our case, we observed autobullectomy that lasted for approximately 1 year in the left lung, where severe inflammation had occurred.…”