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  2. Lung nodule - Wikipedia

    en.wikipedia.org/wiki/Lung_nodule

    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 ...

  3. Coccidioidomycosis - Wikipedia

    en.wikipedia.org/wiki/Coccidioidomycosis

    Coccidioidomycosis is a common cause of community-acquired pneumonia in the endemic areas of the United States. [4] Infections usually occur due to inhalation of the arthroconidial spores after soil disruption. [4] The disease is not contagious. [4] In some cases the infection may recur or become chronic.

  4. Diffuse idiopathic pulmonary neuroendocrine cell hyperplasia

    en.wikipedia.org/wiki/Diffuse_idiopathic...

    Pulmonary function: increased residual volume, increased total lung capacity, fixed obstruction, low diffusing capacity of the lung for carbon monoxide that corrects with alveolar volume; High-resolution CT scan: diffuse pulmonary nodules 4–10 mm, greater than 20 nodules, mosaic attenuation or air trapping in greater than 50% of the lung

  5. Diffuse panbronchiolitis - Wikipedia

    en.wikipedia.org/wiki/Diffuse_panbronchiolitis

    The nodules in DPB appear as opaque lumps when viewed on X-rays of the lung, and can cause airway obstruction, which is evaluated by a pulmonary function test, or PFT. [6] Lung X-rays can also reveal dilation of the bronchiolar passages, another sign of DPB.

  6. Air bronchogram - Wikipedia

    en.wikipedia.org/wiki/Air_bronchogram

    For lung nodules, air bronchograms used to be associated with infectious causes of consolidation and, therefore to be benign. 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]

  7. Allergic bronchopulmonary aspergillosis - Wikipedia

    en.wikipedia.org/wiki/Allergic_bronchopulmonary...

    Where present it is a strong diagnostic factor of ABPA and distinguishes symptoms from other causes of bronchiectasis. [11] CT scans may more rarely reveal mosaic-appearance attenuation, centrilobular lung nodules, tree-in-bud opacities, and pleuropulmonary fibrosis (a finding consistent with CPA, a disease with ABPA as a known precursor). [1]

  8. Lung abscess - Wikipedia

    en.wikipedia.org/wiki/Lung_abscess

    Lung abscess is a type of liquefactive necrosis of the lung tissue and formation of cavities (more than 2 cm) [1] containing necrotic debris or fluid caused by microbial infection. This pus -filled cavity is often caused by aspiration, which may occur during anesthesia, sedation, or unconsciousness from injury.

  9. Aspergillosis - Wikipedia

    en.wikipedia.org/wiki/Aspergillosis

    A fungus ball in the lungs may cause no symptoms and may be discovered only with a chest X-ray, or it may cause repeated coughing up of blood, chest pain, and occasionally severe, even fatal, bleeding. [2] A rapidly invasive Aspergillus infection in the lungs often causes cough, fever, chest pain, and difficulty breathing. [citation needed]