Ebus (Endobronchial Ultrasound) Diagnostic Method

What Is EBUS (Endobronchial Ultrasound)? Lung Diagnosis and Lymph Node Biopsy (EBUS-TBNA)

Endobronchial ultrasound EBUS is a minimally invasive diagnostic method that provides detailed imaging of the lymph nodes around the windpipe (trachea) and structures in the chest cavity.

The EBUS procedure is performed using a lighted, flexible tube called a bronchoscope, which has an ultrasound probe at its tip. This method plays an important role especially in the diagnosis of lung cancer, lung cancer staging and staging, mediastinal lymph node biopsy and evaluation, and biopsy of suspicious tissues.

At Daviva Health Group, endobronchial ultrasound (EBUS) is performed by experienced specialist physicians using advanced technological equipment.

"Learn about lung and mediastinal lymph node evaluation with EBUS (Endobronchial Ultrasonography), a minimally invasive diagnostic and biopsy method."

What Is EBUS** **?

Endobronchial Ultrasound (EBUS) is a minimally invasive diagnostic method that allows detailed imaging of the lungs and tissues within the chest. It is widely used especially in the diagnosis of lung cancer and the evaluation of mediastinal lymph node diseases.

The EBUS procedure is performed using a thin, flexible bronchoscope with a small ultrasound probe at its tip. Thanks to this technology, the lungs and surrounding tissues that cannot be visualized externally with conventional ultrasound devices can be examined in detail.

EBUS also makes it possible to obtain targeted, ultrasound-guided biopsies from lymph nodes or suspicious masses around the bronchi that cannot be seen directly. This procedure is called EBUS-TBNA (fine-needle aspiration biopsy).

Why Is EBUS Performed?

Endobronchial ultrasound (EBUS), is performed to evaluate suspicious changes detected in the lungs or adjacent lymph nodes in detail. It is especially preferred to determine the cause of abnormal tissue changes, tumors, or enlarged lymph nodes seen on imaging studies. This method allows targeted ultrasound-guided biopsy (EBUS-TBNA) from suspicious areas.

EBUS is most commonly used in the following situations:

• Suspected lung cancer
• Unexplained lymph node enlargement
• Chronic inflammatory diseases (for example, sarcoidosis)
• Suspicious masses or nodules detected in the lung

In Which Diseases Is EBUS Used?

Endobronchial ultrasound (EBUS), is used in the diagnosis of many diseases involving the lungs and mediastinal region. It plays an important role especially in evaluating lymph nodes and obtaining biopsies from suspicious tissues.

EBUS may be used in the diagnosis of the following conditions:

• Lung infections
• Lung cancer and tumors developing in the mediastinum (the area between the two lungs)
• Sarcoidosis, other inflammatory lung diseases
• Lung nodules
• Unexplained lymph node enlargement

EBUS is also used especially in lung cancer staging to assess the spread of cancer to the lymph nodes.

What Are the Preparation and Procedure Steps Before EBUS?

The endobronchial ultrasound (EBUS) procedure should be performed in hospitals with appropriate equipment and by experienced physicians. A pre-procedure evaluation is very important to ensure the procedure is carried out safely and correctly.

Before the procedure, some tests are performed for the patient:

• Blood tests
• ECG
• Chest X-ray
• Computed tomography (CT) if needed
• Evaluation by the relevant specialty if there are accompanying diseases

Nothing should be eaten or drunk for at least 6–8 hours before the procedure. The use of some medications may also be temporarily stopped according to the specialist physician’s recommendation.

How Is EBUS Performed and What Should Be Considered?”

The EBUS procedure can be performed under local anesthesia, sedation, or general anesthesia depending on the patient’s overall condition.

During the procedure:

• A thin, flexible tube called a bronchoscope is advanced to the trachea through the mouth or nose.
• There is a video camera and a small ultrasound probe at the tip of the bronchoscope.
• Thanks to this ultrasound system, lymph nodes in the mediastinal area adjacent to the trachea are visualized in detail.
• One of the most important advantages of EBUS is that fine-needle biopsy (EBUS-TBNA) can be taken from suspicious lymph nodes under ultrasound guidance, even if they have not yet enlarged.
• After the procedure is completed, a 1–2 hour stay in the hospital may be necessary for observation and rest. This period is especially important if sedation or anesthesia was used.

What Are the Advantages of EBUS?

Endobronchial ultrasound (EBUS), has many important advantages over other imaging and biopsy methods. Its minimally invasive nature both simplifies the diagnostic process and increases patient comfort.

The main advantages of EBUS are as follows:

• Targeted imaging: Thanks to the ultrasound probe on the bronchoscope, the physician can directly and precisely visualize lymph nodes and suspicious tissues.
• Biopsy and imaging at the same time: With EBUS, biopsy can be performed under ultrasound guidance. Thus, both imaging and tissue sampling are done in a single session instead of two separate procedures.
• Cancer diagnosis and staging: Especially in lung cancer, diagnosis and assessment of lymph node spread (staging) can be performed during the same procedure.
• Outpatient treatment option: EBUS usually does not require hospitalization. Most patients are discharged on the same day.
• Minimally invasive method: No surgical incision is required. Therefore, the risk of infection, bleeding, and complications is lower.
• Faster recovery: Recovery after the procedure is short, and return to daily life is quick.

What Are the Risks and Possible Complications of EBUS?

Endobronchial ultrasound (EBUS) is generally a safe diagnostic method. However, as with all procedures involving the insertion of a device into the airways, some temporary discomfort may occur.

Common mild effects:

• Sore throat
• Cough
• Temporary hoarseness

Rare but possible complications:

• Bleeding
• Infection
• Lung collapse (pneumothorax)
• Breathing problems or respiratory depression

Because EBUS is a minimally invasive method, the risk of serious complications is quite low. Physician checkups before and after the procedure help reduce risks even further.

Frequently Asked Questions About EBUS

How long does EBUS take?

The EBUS procedure usually takes 30–90 minutes. You may need to stay in the hospital for 1–2 hours after the procedure for observation.

2. Is the EBUS procedure painful?

During the procedure, local numbing, sedation, or general anesthesia is used. Most patients do not feel pain apart from mild sore throat and coughing.

3. What is the difference between EBUS and bronchoscopy?

While bronchoscopy examines the lungs directly with a camera, EBUS enables visualization of lymph nodes and surrounding tissues with the ultrasound probe at the tip of the bronchoscope, and biopsy can be taken.

4. Which diseases is EBUS used to diagnose?

Lung cancer, mediastinal tumors, sarcoidosis, chronic inflammatory lung diseases, lung nodules, and unexplained lymph node enlargement.

5. What is the recovery process like after EBUS?

Because it is a minimally invasive method, recovery is quick. Most patients can return home the same day. Mild sore throat and coughing may last for a few days.

6. What are the complications of EBUS?

Bleeding, infection, lung collapse, or breathing problems may rarely occur. Most patients do not experience serious problems after the procedure.

7. What is EBUS TBNA?

The procedure of obtaining a sample from suspicious tissues during EBUS using ultrasound-guided fine-needle aspiration is called EBUS-TBNA.