Mediastinal cystic schwannoma is of very rare occurrence. Our patient
came with chest pain of 6 months duration. Abnormal shadow on chest x-
ray was found. A sharp dissection space was evident by computed tomogr
aphy (CT-scan) and magnetic resonance imaging (MRI) between the tumor,
the left pulmonary artery, and the descending aorta. The patient unde
rwent surgical removal using thoracoscopic surgery. Postoperative disc
omfort was markedly reduced and hospitalization short. We can conclude
that interventional thoracoscopy is a safe, well-tolerated procedure,
with excellent therapeutic potentials.