Incidental Diagnosis of Swyer-James-MacLeod Syndrome: A Case Report and Review of Literature

Abstract

Swyer-James-MacLeod Syndrome (SJMS) appears as unilateral hyperlucency on chest imaging and is documented as a rare sequela of frequent paediatric respiratory infections. Due to its rarity, various causes of haemithoracic radio-opacity and radiolucency were studied while evaluating this case. In individuals with bronchiolitis obliterans, SJMS has been observed in about 4% of cases. The left lung is preferentially involved in most cases for unknown reasons. The syndrome usually develops following viral respiratory infection in infancy or early childhood, such as adenoviruses or Mycoplasma pneumoniae. It is predicted to have a prevalence of 0.01%. This case study focuses on an incidental finding of abnormal radiography identified during assessing a 54-year-old man with low back pain in Chronic Kidney Disease (CKD). Patient and relative should be explained about the Chest X-ray finding and the reason for SJMS to avoid unscrupulous investigations in the future as index patient had no respiratory symptoms.

Keywords

• bronchiolitis obliterans
• diminished vascularity
• unilateral hyperlucent lung
• viral respiratory infection