Spontaneous resolution of post-traumatic pulmonary artery pseudoaneurysm: Report of two cases
A 58-year-old female patient presented in casualty with complaints of right chest pain and difficulty in breathing following road traffic accident. On clinical examination, chest compression test was positive with bilateral basal reduced breath sounds. Chest radiograph revealed blunting of the left costophrenic (CP) angle. FAST scan was positive with fluid in bilateral CP angles. ICD was put in bilateral pleural space and patient was subjected to CECT chest and abdomen, which revealed bilateral basal lung contusion (left more than right) and hemothorax (left more than right). Patient was kept on conservative management. Patient developed gradual respiratory distress for which a repeat CECT chest was carried out at 1 week interval, which revealed a 2.5 cm pseudoaneurysm in the right lower lobe []. The surrounding lung parenchyma showed cavitary changes. Because of large size of pseudoaneurysm, thrombin injection within pseudoaneurysm was planned. After 1 week, pulmonary angiography was performed for injecting thrombin, but there was no opacification of aneurysmal sac []. CECT chest was repeated at the same time, which revealed hypodensity at the site of sac suggesting spontaneous thrombosis of pseudoaneurysm []. She was kept on follow-up and remained asymptomatic.