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There may also be multiple nodules. One or more lung nodules can be an incidental finding found in up to 0.2% of chest X-rays [3] and around 1% of CT scans. [4] The nodule most commonly represents a benign tumor such as a granuloma or hamartoma, but in around 20% of cases it represents a malignant cancer, [4] especially in older adults and ...
Diagnosis is normally made by thoracotomy and biopsy. [5] [6] The regional lymph nodes are normally removed as these may show evidence of spread. Bronchoscopy is not usually useful as these lesions tend to lie in the perifery of the lung. Fine needle aspirates may be not be sufficient to make the diagnosis. [7] [8] Blood tests are normal.
However, in the setting of a lung nodule, an air bronchogram is actually more frequent in malignant than in benign nodules. [1] [4] studied the tumour-bronchus relationship and described five types: [1] In “Type 1” the bronchial lumen is patent up to the tumour. In “Type 2” the bronchus is contained in the tumor. These types are more ...
Parenchymal hamartoma of the lung. The surrounding lung falls away from the well-circumscribed mass, a typical feature of these lesions. The hamartoma shows a variegated yellow and white appearance, which corresponds respectively to fat and cartilage. About 5–8% of all solitary lung nodules and about 75% of all benign lung tumors, are ...
White lung syndrome, or white lung pneumonia, is getting attention after an outbreak in Ohio. Experts explain symptoms, causes, treatment, and prevention.
Video-assisted thoracoscopic lung biopsy is the most definitive technique, but transbronchial biopsy has a yield of over 50% and can also be effective. [ 82 ] [ 83 ] The safety of the latter procedure in patients with diffuse cystic disease and the profusion of cystic change that predicts an informative biopsy are incompletely understood, however.