Fig. 1

Chest CT findings in five patients with lymphangioleiomyomatosis (LAM) and comorbid connective tissue diseases. All five patients exhibited multiple, diffuse, thin-walled cystic lesions. a Patient 1: A 38-year-old women with LAM, Sjögren’s syndrome, and antiphospholipid antibody syndrome. b Patient 2: A 61-year-old patient with LAM and comorbid Sjögren’s syndrome. c Patient 3: A 48-year-old patient with LAM and comorbid Sjögren’s syndrome. d Patient 4: A 44-year-old patient with LAM and comorbid rheumatoid arthritis. The examinations revealed right pleural effusion. e Patient 5: A 49-year-old patient with LAM and comorbid systemic lupus erythematosus