Pseudo-pneumothorax: skin fold is an excellent imitator

Abstract

A 79-year-old hospitalised woman underwent central venous catheterisation for high-calorie infusion. Chest radiography to check the position of the catheter showed a curvilinear line at the lateral zone of the right lung (figure 1A). We suspected pneumothorax and performed CT of the chest. However, it revealed the absence of pneumothorax; the curvilinear mimicked pneumothorax was revealed to be a skinfold (figure 1B). Figure 1 (A) Initial chest radiograph showed a curvilinear line at the right lateral zone of the right lung. (B) CT …