Sputum Cell is mucus that is coughed up from the lower airways. It is usually used for microbiological investigations of respiratory infections.
The best sputum samples contain very little saliva, as this contaminates the sample with oral bacteria. This event is assessed by the clinical microbiologist by examining a Gram stain of the sputum. More than 25 squamous epithelial cells at low enlargement indicates salivary contamination.
Purulent Sputum contains a lot of pus, composed of white blood cells, cellular debris, dead tissue, serous fluid and viscous liquid (mucus). Mostly, it's yellow in color, as well as green. That is always seen in cases of bronchiectasis, lung abscess, or advanced stage of bronchitis, acute upper respiratory tract infection (cold, laryngitis).
Sputum Cell is a mucousy substance (consisting of cells and other matter) that is secreted into the airways of the respiratory tract. Sputum is not the same as saliva, a substance secreted in the mouth to help with digestion.
Sputum cell counts are also useful to study the potential anti-inflammatory effects of drugs like theophylline, long-acting β-adrenoceptor agonists, leukotriene antagonists and newer drugs in development. They may be helpful to select add-on therapy to corticosteroids in ‘difficult-to-control’ asthma.
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