3D Printed Right Lung Military Tuberculosis

3D Printed Right Lung Military Tuberculosis Clinical History A 74-year old male presented with increasing shortness of breath and haemoptysis. Further history reveals 20kg weight loss in 6 months, night sweats and a chronic cough. He has recently moved from a country where TB is endemic. On examination, he has hypoxic and tachypnoea and has bilateral crepitations throughout his lung fields and a dull left lung base on percussion. His quantiferon gold blood test is positive. His chest x-ray showed bilateral small nodular deposits and a left basal pneumonia. He died from respiratory failure soon after admission. PathologyThe right lung has been sliced longitudinally and mounted to display the cut surface. The bronchi and bronchioles are mildly ectatic. Scattered throughout the entire lung parenchyma are large numbers of small, pale yellows nodules less than 1 mm in diameter. Similar tiny subpleural nodules are seen on the surface of the visceral pleura. Th