Unusual cause of mediastinal mass

Description

A 35-year-old asymptomatic man presented for chest radiograph evaluation as a part of pre-employment medical examination. The radiograph revealed a large, dense homogenous mass with sharply defined margins and a broad base towards the mediastinum overlying the right hilum. There was also evidence of linear calcification along the right paramediastinal stripe (figure 1). A probable diagnosis of mediastinal mass was made and the patient was advised contrast-enhanced computed tomography of the chest. CT revealed plaque-like calcification of the pleura posteriorly along the chest wall. There was no associated mass lesion in the mediastinum or lung parenchyma (figure 2). Patient gave history of antituberculosis treatment for right empyema 5 years ago. A diagnosis of pleural calcification as sequelae of healed empyema was made.

Figure 1

Chest radiograph reveals a large, dense homogenous mass with sharply defined margins and a broad base towards the...

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