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  2. Lymphangioleiomyomatosis - Wikipedia

    en.wikipedia.org/wiki/Lymphangioleiomyomatosis

    Thin-walled cystic change in the lungs may be found incidentally on CT scans of the heart, chest or abdomen (on the cuts that include lung bases) obtained for other purposes. HRCTs of TSC patients reveals that about 20% of women have cystic change by age 20 and about 80% of women have cystic changes after age 40. [ 79 ]

  3. Focal lung pneumatosis - Wikipedia

    en.wikipedia.org/wiki/Focal_lung_pneumatosis

    A focal lung pneumatosis is an enclosed pocket of air or gas in the lung and includes blebs, bullae, pulmonary cysts, and lung cavities. Blebs and bullae can be classified by their wall thickness. [1] A bleb has a wall thickness of less than 1 mm. [2] By radiology definition, it is up to 1 cm in total size. [3]

  4. Lung cavity - Wikipedia

    en.wikipedia.org/wiki/Lung_cavity

    Congenital pulmonary airway malformation, formerly called congenital cystic adenomatoid malformation, is a benign tumor the results in the formation of single or multiple cysts. [2] Pulmonary sequestration refers to abnormal lung tissue that gets its blood supply from the systemic circulation instead of the pulmonary circulation, like the rest ...

  5. Pneumatosis - Wikipedia

    en.wikipedia.org/wiki/Pneumatosis

    A lung cyst, or pulmonary cyst, encloses a small volume of air, and has a wall thickness of up to 4 mm. [3] A minimum wall thickness of 1 mm has been suggested, [3] but thin-walled pockets may be included in the definition as well. [4] Pulmonary cysts are not associated with either smoking or emphysema. [5] A lung cavity has a wall thickness of ...

  6. Lymphocytic interstitial pneumonia - Wikipedia

    en.wikipedia.org/wiki/Lymphocytic_interstitial...

    Patients with lymphocytic interstitial pneumonia may present with lymphadenopathy, enlarged liver, enlarged spleen, enlarged salivary gland, thickening and widening of the extremities of the fingers and toes , and breathing symptoms such as shortness of breath and wheezing.

  7. Lymphangiomatosis - Wikipedia

    en.wikipedia.org/wiki/Lymphangiomatosis

    Lymphangiomatosis is a condition marked by the presence of cysts that result from an increase both in the size and number of thin-walled lymphatic channels that are abnormally interconnected and dilated. [2] [3] [4] 75% of cases involve multiple organs. [2]

  8. Bleb (medicine) - Wikipedia

    en.wikipedia.org/wiki/Bleb_(medicine)

    Their walls are thin, being less than 1 mm thick. If they rupture, they allow air to escape into pleural space, resulting in a spontaneous pneumothorax and possibly a collapsed lung. [1] [2] Blebs can grow larger or join together to create a larger cyst, or bulla. There are usually no symptoms unless a pneumothorax occurs or the bulla grows ...

  9. Langerhans cell histiocytosis - Wikipedia

    en.wikipedia.org/wiki/Langerhans_cell_histiocytosis

    When multiple lesions are scattered throughout an organ, it can be called a multifocal unisystem variety. When found in the lungs, it should be distinguished from Pulmonary Langerhans cell hystiocytosis—a special category of disease most commonly seen in adult smokers. [ 8 ]