The Normal Mediastinum
The Normal Mediastinum W. Richard Webb The mediastinum is defined as the tissue compartment located between the two lungs, posterior to the sternum, anterior to the vertebral column, and extending…
The Pulmonary Hila
The Pulmonary Hila W. Richard Webb CHEST RADIOGRAPHS In most cases, plain films are adequate for identifying large hilar masses. Small masses can be more difficult to detect because of…
Lymphoma and Lymphoproliferative Disease
Lymphoma and Lymphoproliferative Disease W. Richard Webb Lymphoma accounts for about 4% of newly diagnosed malignancies and commonly involves the mediastinum, hila, and lung parenchyma. Lymphomas are primary neoplasms of…
Metastatic Tumor
Metastatic Tumor W. Richard Webb Thoracic structures commonly are involved in patients with metastatic neoplasm, and the chest is often the first site in which metastases are detected. MECHANISMS OF…
Consolidation and Atelectasis
Consolidation and Atelectasis W. Richard Webb Recognizing consolidation and atelectasis is fundamental to an understanding of pulmonary radiology. AIR-SPACE CONSOLIDATION Air-space consolidation represents replacement of alveolar air by fluid, blood,…
Congenital Bronchopulmonary Lesions
Congenital Bronchopulmonary Lesions W. Richard Webb A variety of congenital abnormalities may involve the bronchi, lung and it vascular supply. They often have characteristic plain film and computed tomography (CT)…
