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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 ...
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 ]
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.
Globally, tuberculosis is likely the most common infectious cause of lung cavities. [6] Less commonly, parasitic infections can cause cavities. [5] Viral infections almost never cause cavities. [7] The terms cavity and cyst are frequently used interchangeably; however, a cavity is thick walled (at least 5 mm), while a cyst is thin walled (4 mm ...
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]
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]
Pneumoconiosis is a classification of interstitial lung disease caused by inhalation and accumulation of airborne particles in the lungs. [2] Coal worker's pneumoconiosis, asbestosis, and silicosis are common forms of pneumoconiosis that have been shown to cause interstitial pulmonary fibrosis which, in advanced stages, may be observed as "honeycombing" on CT imaging.
Polycystic liver disease (PLD) usually describes the presence of multiple cysts scattered throughout normal liver tissue. [1] PLD is commonly seen in association with autosomal-dominant polycystic kidney disease , with a prevalence of 1 in 400 to 1000, and accounts for 8–10% of all cases of end-stage renal disease . [ 2 ]