Pleural fluid smear
Definition
Pleural fluid smear is a laboratory procedure to check for bacteria, fungi, or abnormal cells in the fluid that may be found in the space around the lungs (called a pleural effusion).
Why is the Test Performed?
The test is performed if you have a pleural effusion and its cause is not known, especially if the health care provider suspects an infection or cancer.
How is the Test Performed?
A health care provider examines a sample of pleural fluid under the microscope. If the smear detects bacteria or fungi, other methods may be used to identify those organisms.
How will the Test Feel?
The sample is obtained through a procedure called thoracentesis. For information about this test and its risks, see thoracentesis.
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