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17075 Devonshire St., Suite 205 Northridge, CA 91325
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555 Marin St., Suite 110 Thousand Oaks, CA 91360
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Mon - Fri : 9:00 AM - 5:00 PM
17075 Devonshire St., Suite 205 Northridge, CA 91325
555 Marin St., Suite 110 Thousand Oaks, CA 91360
Mon - Fri : 9:00 AM - 5:00 PM
EBUS, or endobronchial ultrasound, is an advanced minimally invasive procedure that combines bronchoscopy with real-time ultrasound imaging to visualize and sample lymph nodes and lung lesions. The EBUS scope is a special bronchoscope equipped with a small ultrasound probe at its tip, allowing our physicians to see inside the airways while simultaneously viewing detailed ultrasound images of structures surrounding the airways. This precise imaging capability makes EBUS the gold standard for diagnosing mediastinal (central chest) lymph node disease and guiding tissue sampling from areas deep within the chest.
While standard bronchoscopy allows visualization of the airways themselves, EBUS adds a revolutionary dimension by providing real-time ultrasound guidance. Standard bronchoscopy can visualize structures within or directly obstructing the airways, but cannot clearly see lymph nodes or lesions located adjacent to or surrounding the airways. EBUS overcomes this limitation by using ultrasound waves to image structures outside the airway walls, including mediastinal lymph nodes, hilar lymph nodes, and peripheral lung lesions. This enhanced visualization allows physicians to precisely target and sample these structures with a small needle, often without even entering the airways themselves.
The ultrasound guidance dramatically improves diagnostic accuracy and safety. Physicians can see exactly where the needle is positioned relative to blood vessels and vital structures, reducing the risk of complications. EBUS achieves diagnostic accuracy rates exceeding 95% for lymph node sampling, compared to lower rates with traditional bronchoscopy alone.
Lymph Node Staging in Lung Cancer—EBUS is the preferred procedure for assessing mediastinal and hilar lymph node involvement in patients with suspected or confirmed lung cancer. Accurate lymph node staging is critical for determining treatment options (surgery, chemotherapy, radiation, or combination therapy) and predicting prognosis. EBUS provides definitive tissue diagnosis, allowing oncologists to make informed treatment decisions.
Sarcoidosis—Sarcoidosis is an inflammatory disease that frequently affects the lungs and lymph nodes. EBUS is highly effective for obtaining lymph node samples to confirm sarcoidosis, often avoiding the need for more invasive procedures like mediastinoscopy. The procedure helps establish diagnosis and assess disease extent.
Infections—When tuberculosis, fungal infections, or other serious pulmonary infections are suspected, EBUS can obtain tissue samples from affected lymph nodes for culture and identification. This allows rapid diagnosis and initiation of appropriate antimicrobial therapy.
Lymphoma and Other Lymph Node Cancers—EBUS is used to obtain tissue samples from enlarged mediastinal lymph nodes suspected of lymphoma or other hematologic malignancies, providing tissue diagnosis without requiring surgery.
Peripheral Lung Nodules—EBUS with guide sheaths can access and sample small lung nodules located in the periphery of the lungs (near the lung edges), helping determine if nodules are malignant or benign.
Other Mediastinal and Bronchial Pathology—EBUS can be used to evaluate and sample other abnormalities of the mediastinum and airways, including masses, cysts, and other lesions.
EBUS is typically performed as an outpatient same-day procedure. Before the procedure, you will be given sedative and pain-relieving medications by IV to ensure your comfort and relaxation. The area of your nose and throat will be numbed with topical anesthetic.
The EBUS scope is gently advanced through the nose or mouth, through the vocal cords, and into the bronchial tree. Once in position, the physician uses real-time ultrasound imaging displayed on a monitor to visualize target lymph nodes or lesions. When a target is identified, a small fine needle (typically 19 or 21 gauge) is advanced through the scope under direct ultrasound visualization to obtain tissue samples. You will be sedated and comfortable throughout the procedure, though you may feel some pressure sensations.
The procedure typically lasts 30 to 60 minutes, depending on the complexity and number of lesions being sampled. Most patients sleep through or have minimal recollection of the procedure due to sedation.
Real-Time Ultrasound Guidance—Precise visualization of target structures and needle position ensures accurate sampling and reduces risk of complications such as bleeding or pneumothorax (collapsed lung).
Minimally Invasive—EBUS avoids the need for surgical procedures like mediastinoscopy or thoracotomy. It requires no incisions and can be performed in an outpatient setting.
Same-Day Procedure—EBUS is performed as outpatient surgery, allowing you to return home the same day after a short recovery period. No hospital admission is required for most patients.
High Diagnostic Yield—EBUS achieves diagnostic accuracy exceeding 95% for lymph node sampling, providing definitive tissue diagnosis in the vast majority of cases.
Rapid Diagnosis—Tissue samples obtained during EBUS can be processed quickly, allowing for rapid diagnosis and faster initiation of treatment when needed.
Reduces Need for Surgery—By providing definitive tissue diagnosis without surgery, EBUS often eliminates the need for more invasive surgical staging procedures, saving time and reducing surgical risk.
Recovery from EBUS is typically rapid. You will be monitored in the recovery area as the sedation wears off, which usually takes 30 minutes to an hour. Most patients experience no complications and can return to normal activities the following day. A sore throat or mild hoarseness is common for a day or two after the procedure.
You should not eat or drink anything for 2-3 hours after the procedure while the numbing medication wears off. If sedation was used, you will need someone to drive you home; you should not drive or operate machinery for the remainder of the day.
Mild cough or sputum tinged with blood may occur briefly after EBUS, especially if multiple biopsies were taken. Serious bleeding is rare. Lab results from tissue samples typically become available within 2-7 days depending on the type of testing required.
EBUS may be recommended if you have:
Our board-certified pulmonologists will discuss whether EBUS is appropriate for your situation and explain the procedure in detail during your consultation.
At PulmoCrit Associates, we offer a comprehensive range of advanced bronchoscopic and pulmonary procedures complementing EBUS:
Direct visualization and sampling of airways and lung tissue using a thin, flexible scope to diagnose infections, tumors, and other airway conditions.
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Advanced technology enabling precise navigation to peripheral lung nodules for accurate diagnosis of small, hard-to-reach lesions deep within the lungs.
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Comprehensive respiratory assessment evaluating your lung health, breathing patterns, and overall pulmonary function to develop an individualized care plan.
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