A 46-year-old man with a 15 pack-year smoking history was referred to the pulmonary clinic with an incidental finding of a left pleural-based lung mass on chest X-ray (figure 1). The patient denied any respiratory symptoms, loss of weight or night sweats. He reported to have worked in a shipyard with a history of prolonged exposure to asbestos. Physical examination revealed no evidence of respi...

Table 1. Percentage of All Imaging Studies at Mass General that are Limited by Body Habitus Ultrasound 2% Chest x-ray 0.5% Abdominal CT 0.4% Chest CT 0.25% Abdominal x-ray 0.25% MRI 0.1% The rates of obesity have risen dramatically over the past two decades. Even in Massachusetts, the state with the second lowest rate of obesity in the nation, 21.4% of the adult population was reported to be ob...

For early detection of liver disease, mass surveys are essential, however conduction of a great variety of liver function tests on a large group of people often is too complicated and difficult. With a view to establishing a simple, appropriate procedure for mass liver surveys, simultaneously with liver function tests, a check on right-hand diaphragm elevation levels as seen in the chest X-ray ...

A 54-year-old woman with myoepithelioma, a very rare tumor of the lung, is reported. The patient presented with exertional dyspnea, cough and intermittent pleuritic chest pain. Her chest X-ray revealed a peripheral 2 cm mass in the left lower lung zone. Bronchoscopy was normal. She underwent thoracotomy in which a wedge-resection was performed. Histological examination of the specimen demonstra...

A 22-year-old woman had an abnormal chest X-ray (Fig. 1) in her regular health examination. She was asymptomatic and a non-smoker. Chest computed tomography (CT) revealed a 4-cm soft tissue mass with internal calcifi cation (Fig. 2A) and enhancement in the left lower lobe (Fig. 2B). The patient received left lower lobectomy. What is the diagnosis? A. Bronchogenic carcinoma B. Bronchopulmonary c...

Picture 1. Comparison of chest x-ray and three-dimensional images. A) Posteroanterior chest xray film on admission showed a large mass occupying the right lower-lung field (arrow) with a right-sided aortic arch (arrowhead). B) Three-dimensional image by MDCT clearly showed aneurysms of the right-sided descending thoracic aorta (arrow) with a right-sided aortic arch (arrowhead) and abdominal aor...

A 38-year-old man without any symptoms was admitted to our institution because of an abnormal shadow found incidentally on a chest X-ray. Chest computed tomography showed a round mass in the lingular segment of the left upper lobe. Lingular segmentectomy was performed, and the histopathological diagnosis was intrapulmonary schwannoma. Immunohistochemical staining revealed a positive result for ...

We report here on a rare case of an ectopic pancreatic tissue in the anterior mediastinum. A 32-year-old woman without any symptoms was transferred to our hospital because of an abnormal large mediastinal shadow on her chest radiograph during a checkup. The computed tomography (CT) scan revealed a giant cystic-solid mass that measured 16 x 13 x 8 cm and it was located in the center of the anter...