Tissue Biopsy for Bacterial C/S (Aerobic) with Gram Stain

Specimen Required

BIOPSY (Tissue Block)

Fasting Required

Purpose of the Test

A tissue biopsy for bacterial culture and sensitivity (C/S) with Gram stain is done to detect the presence of bacteria in a tissue sample and determine the type of bacteria present, as well as which antibiotics can effectively treat the infection.

When this test is required

This test is typically requested when a patient has symptoms of a bacterial infection, such as fever, inflammation, or pus formation, that cannot be diagnosed by clinical examination alone. The test is used to help guide the choice of antibiotic therapy for the patient, based on the sensitivity of the bacteria to different antibiotics.

What the Test Detects

The test involves obtaining a small tissue sample from the affected area, which is then sent to a laboratory for analysis. In the laboratory, the sample is cultured, and the bacteria present are identified and tested against various antibiotics to determine which antibiotics are most effective at treating the infection.

Preparation for the Test

There is usually no special preparation needed for this test, but your doctor may ask you to stop taking certain medications that could interfere with the results. It is important to follow your doctor’s instructions carefully.

Sample Requirements

To perform the test, a tissue sample is taken from the affected area using a biopsy needle or other device. The sample is then sent to a laboratory where it is cultured and examined under a microscope using a Gram stain to determine the type of bacteria present.

Additional Notes

It is important to note that this test does not provide immediate results, and it may take several days to obtain a final report. Additionally, some bacteria may be difficult to culture, and the test may not always identify the causative agent of the infection. Therefore, other tests may be needed to confirm the diagnosis and guide appropriate treatment.

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