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The mainstay of non-invasive staging is a CT scan of the chest followed by metabolic imaging with a PET scan. The CT scan shows abnormalities such as a lung nodule or enlarged lymph nodes whereas the PET scan reveals increased metabolism such as occurs in structures which contain rapidly growing cancer cells. PET/CT combined the benefits of ...
Bilateral hilar lymphadenopathy. CT scan of the chest showing bilateral lymphadenopathy in the mediastinum due to sarcoidosis. Bilateral hilar lymphadenopathy is a bilateral enlargement of the lymph nodes of pulmonary hila. It is a radiographic term for the enlargement of mediastinal lymph nodes and is most commonly identified by a chest x-ray.
CT scan of a patient with Descending Necrotizing Mediastinitis. Esophageal perforation, a form of direct contamination, accounts for 90% of acute mediastinal infections. [ 1 ] Esophageal perforation can arise from vomiting, incidental trauma from a procedure or operation, external trauma, ingestion of corrosive substances, malignancy, or other ...
CT scan; MRI scan; ultrasound Lymphadenopathy or adenopathy is a disease of the lymph nodes , in which they are abnormal in size or consistency. Lymphadenopathy of an inflammatory type (the most common type) is lymphadenitis , [ 1 ] producing swollen or enlarged lymph nodes.
Mediastinal lymphadenopathy. Micrograph of a primary mediastinal large B-cell lymphoma, a cause of mediastinal lymphadenopathy. H&E stain. Mediastinal lymphadenopathy or mediastinal adenopathy is an enlargement of the mediastinal lymph nodes.
Most patients with limited-stage small cell lung cancer will receive a CT scan of the chest and abdomen to search for abnormality within the lungs and lymph nodes, as well as abnormal areas in more distal organs such as adrenal glands and liver that might arise from the metastasis of lung cancer. [15]
Mediastinal shift. Left tension pneumothorax with a large, well-demarcated area devoid of lung markings with tracheal deviation and movement of the heart away from the affected side. Mediastinal shift is an abnormal movement of the mediastinal structures toward one side of the chest cavity. A shift indicates a severe imbalance of pressures ...
A mediastinal tumor is a tumor in the mediastinum, the cavity that separates the lungs from the rest of the chest. It contains the heart, esophagus, trachea, thymus, and aorta. The most common mediastinal masses are thymoma (20% of mediastinal tumors), usually found in the anterior mediastinum, followed by neurogenic Timor (15–20%) located in ...