Smear for Malignant Cells, Sputum

Sputum is a thick fluid produced in the lungs and the airways, which is often coughed up during respiratory infections or illnesses. It contains mucus, dead cells, bacteria, and other materials from the respiratory tract. The composition and color of sputum can provide important clues about the presence of diseases, such as malignancy (various types of lung cancer), infections (e.g., bacterial or viral), or inflammatory conditions (e.g., bronchitis). When cancer cells, such as those from lung cancer, spread into the airways, they may be coughed up and found in sputum samples. These samples are examined for abnormal cells that could suggest the presence of cancer in the lungs or other areas of the respiratory system.

The Smear for Malignant Cells, Sputum test is typically recommended when a doctor suspects lung cancer or other cancers of the respiratory system, especially if there are symptoms such as persistent cough, blood in sputum, unexplained weight loss, chest pain, difficulty in breathing, or a history of smoking. This test is also used to assess disease progression among patients diagnosed with respiratory cancers and follow up on treatment responses, recurrence, or metastasis. 

No special preparation is typically required for sputum collection. However, a duly filled Cytopathology Requisition Form is mandatory at the time of sample collection. This form can be provided by the laboratory personnel (phlebotomist) before sample collection.Also, it is advised to brush teeth and rinse mouth before providing the sputum samples. Inform the doctor about any medications or supplements being taken, as a few of them may potentially influence the test results.   

Lab test results may vary across laboratories. Do not self-medicate at home solely based on these test results. Always consult the doctor for a proper understanding of the test results. The insights from the Smear for Malignant Cells, Sputum test will help doctors prescribe targeted treatments, ensuring effective and appropriate medical care.