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Dołączył: 13 Gru 2010
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 Wysłany: Pią 0:02, 11 Mar 2011 Temat postu: Multiple small pulmonary nodules in CT diagnosis a |
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Multiple small pulmonary nodules in CT diagnosis and differential diagnosis
Management of disseminated and diffuse bronchiolitis. ① bronchial spread of tuberculosis: CT and HRCT in the spread of bronchial lesions on the uneven distribution can be unilateral or bilateral, the following lung often seen in the bronchial tree related to distribution and, more in the subpleural centrilobular area, diameter 2 4mm, edge blur or shadow into the realm of clear dendritic (Other TB lesions generally exist: patchy, fiber cable shall shadow, empty, pleural effusion, lymph nodes. The group of 8 market share in two 8O (8 / 10), while the presence of other tuberculous lesions 100 (1o/1o). ② diffuse bronchiolitis: diffuse bronchiolitis CT and HRCT on the same branch of the pulmonary form and small nodules, showing that Nodules found in non-small airway hypersensitivity pneumonitis. There were no hypersensitivity pneumonitis,[link widoczny dla zalogowanych], with literature on the performance of its cT as follows: CT and HRCT hypersensitivity pneumonitis in the lung fields on the main or widespread patchy ground glass and fuzzy small nodules, with or without Q fibrosis, fibrosis in the lung fields or extensive common uniform distribution. Depend on the history of allergy diagnosis, bronchoalveolar lavage and lung biopsy. 2. Multiple small pulmonary nodules in CT diagnosis and differential diagnosis of multiple small pulmonary nodules in CT diagnosis and differential diagnosis mainly based on the distribution of nodules. First, observe the time of diagnosis whether subpleural nodules. No nodules or nodules subpleural centrilobular distribution was: According to whether the Small airway nodules with Pleural nodules under the random distribution of nodules can be divided into and along the lymphatic vessels around the distribution. Randomly distributed nodules: no clear relationship with the lobular structure,[link widoczny dla zalogowanych], distribution is more extensive. Found in blood of lung metastases, miliary tuberculosis, and bronchioloalveolar carcinoma. Distribution of lymphatic vessels around: Tuberous more limited distribution. Mainly seen in lymphangitic cancer and silicosis. In short,[link widoczny dla zalogowanych], according to the other end distribution and chest CT signs,[link widoczny dla zalogowanych], combined with the clinical diagnosis of pulmonary multiple nodules difficult.
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