High negative pressure subcutaneous suction drain for managing debilitating subcutaneous emphysema secondary to tube thoracostomy for an iatrogenic post computed tomography guided transthoracic needle biopsy pneumothorax: Case report and review of literature.

•Iatrogenic pneumothorax should be anticipated during and after a CT guided transthoracic needle biopsy and actively treated.•Chest tube malposition is a common complication of tube thoracostomy.•Chest tubes should always be inserted in the triangle of safety described by the British thoracic society.•Debilitating subcutaneous emphysema which causes distress, anxiety, palpebral closure, dyspnoea or dysphagia requires intervention.•High negative pressure subcutaneous suction drains provide immediate and sustained relief in extensive and debilitating SE.