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Lung needle biopsy culture
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| Definition: |
This is a laboratory test to isolate and identify organisms that cause infection from a lung specimen.
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| Alternative Names: |
Culture - lung needle biopsy
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| How the test is performed: |
| A needle biopsy of the lung tissue is obtained by either putting a needle into the chest wall and then lung, or by doing a bronchoscopy and taking an internal needle biopsy. The tissue is sent to the laboratory. The tissue sample will be placed in special media and observed for the growth of organisms. |
| How to prepare for the test: |
Before a needle biopsy of the lung, a chest x-ray, CT scan of the chest, or bronchoscopy has been performed. A mild sedative may precede the biopsy. You must sign a consent form. It is important to remain as still as possible for the biopsy and to refrain from coughing.
Infants and children:
The physical and psychological preparation you can provide for this or any test or procedure depends on your child's age, interests, previous experiences, and level of trust. For specific information regarding how you can prepare your child, see the following topics as they correspond to your child's age:
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| How the test will feel: |
| A lung needle biopsy is preceded by a local injection of anesthetic. You will feel pressure and brief sharp pain when the needle touches the lung. |
| Why the test is performed: |
| A lung needle biopsy culture is performed when infection of the lung is suspected and sputum or bronchoalveolar lavage (see Bronchoscopy with lavage "BAL") cultures have not identified the cause of the infection. |
| Normal Values: |
| No growth is normal. |
| What abnormal results mean: |
| Abnormal results may indicate a bacterial, viral, or fungal infection of the lung. |
| Special considerations: |
| Not applicable. |
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Review Date: 1/13/2002
Reviewed By: Camille Kotton, M.D., Infectious Diseases Division, Massachusetts General Hospital and Brigham and Women's Hospital, Boston, MA. Review provided by VeriMed Healthcare Network.
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