대한흉부영상의학회 Korean Society of Thoracic Radiology

Discussion

Diagnosis With Brief Discussion

Courtesy

Sanggye Paik Hospital, Inje University

Imaging Findings

- sharply marginated

- round, oval or lobulated contour

- homogeneous

- water attenuation or soft tissue attenuation

- non-enhancement (77%)

mural enhancement (23%)

- calcification (10%) : cyst wall or cystic content

Discussion

Pathogenesis
- between the 26th and 40th day of GA

- result from abnormal budding of ventral foregut


Clinical Findings
- first 4 decades of life (84%)

- asymptomatic (40%)

- chest pain, dyspnea, respiratory infection,

wheezing, cough, dysphagia and pneumothorax


Location

Mediastinal (85%)

- middle (79%), posterior (17%), anterior (3%)

- subcarina (52%), paratrachea (19%),

esophageal wall (14%), retrocardiac area (9%)

Extramediastinal (15%)

- lung parenchyma, diaphragm, pleura


Treatment

Removal

- symptomatic cyst

- asymptomatic cyst in young adult

Wait and see

- asymptomatic adult

- high risk patient

Reference

Pathogenesis
- between the 26th and 40th day of GA

- result from abnormal budding of ventral foregut


Clinical Findings
- first 4 decades of life (84%)

- asymptomatic (40%)

- chest pain, dyspnea, respiratory infection,

wheezing, cough, dysphagia and pneumothorax


Location

Mediastinal (85%)

- middle (79%), posterior (17%), anterior (3%)

- subcarina (52%), paratrachea (19%),

esophageal wall (14%), retrocardiac area (9%)

Extramediastinal (15%)

- lung parenchyma, diaphragm, pleura


Treatment

Removal

- symptomatic cyst

- asymptomatic cyst in young adult

Wait and see

- asymptomatic adult

- high risk patient

Keywords

Lung, Congenital,