LETTERS TO THE EDITOR Thoracic Retraction After Chemical Pleurodesis by Video-Assisted Thoracoscopy for Spontaneous Juvenile Pneumothorax To the Editor: When video-assisted thoracoscopy (VATS) is used to treat spontaneous pneumothorax (SP), the goal is to eliminate the lesions that caused the air leak and to perform pleurodesis to minimize recurrence. 1 In our facility, iodine in hydroalcoholic solution has been used to treat primary SP since 1993. The only important postoperative complication has been the recurrence of pneumothorax (in 6.2% of cases). 2 We report the first case in our experience of hemithoracic retraction after VATS and instillation of a chemical agent— in this case a hydroalcoholic solution of povidone iodine. A 17-year-old male with no known relevant medical history diagnosed with a third recurrence of primary SP was admitted for definitive treatment by Arch Bronconeumol 2003;39(11):531-4 531