Fig. 1

Ruptured PAVMs were in close proximity to pulmonary consolidations or ground-glass opacity in haemoptysis group. A, B a 67-year-old woman with massive haemoptysis. The white arrow points to the ruptured PAVMs and the black arrow indicates the adjacent ground-glass opacity. C, D a 60-year-old man with life-threatening haemoptysis. One ruptured PAVM (white arrow) was surrounded by consolidation (black arrow)