October 2023 Medical Image of the Month: Swyer-James-MacLeod Syndrome

No abstract available. Article truncated after 150 words. Pathological slides from a right upper lobectomy specimen obtained at an outside institution were submitted to our Department of Pathology for review. A pre-operative noncontrast chest CT from the outside institution was submitted along with the path slides. The patient was a 27 y/o man who presented to the outside institution with exercise intolerance and increasing shortness of breath following a bout of COVID in early 2023. The patient also related a history of possible chronic myocarditis. A review of the CT demonstrated 2 distinct right-sided areas of hyperinflated, emphysematous lung with a relatively normal appearing left lung (Figure 1). Although congenital lobar emphysema was considered, the multifocal nature of the findings suggested against this, and a diagnosis of Swyer-James-MacLeod Syndrome was entertained. Histopathological analysis (Figure 2) confirmed this suspicion. When questioned further, the patient related a history of neonatal RSV infection requiring 3 weeks of hospitalization. The constellation of …