Thoracoscopy
Thoracoscopy is a minimally invasive procedure that allows surgeons to examine the pleural lining of the lungs and the surface of the lungs. Internal images and video obtained from this technique help doctors identify signs of pleural mesothelioma such as inflammation, pleural plaques and pleural thickening.

Written by Karen Selby, RN Edited By Walter Pacheco Medically Reviewed By Dr. Marcelo DaSilva
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What is a Thoracoscopy?
Thoracoscopy is usually performed through one small incision. A sterilized flexible tube containing a small fiber optic camera called an endoscope is used to investigate the chest. This allows the surgeon to view your lungs on a video monitor and perform a tissue biopsy.
Surgeons use an endoscope with tiny channels to look inside the pleural space. They can put tools in the channels and take samples of tissue. Then, pathologists look at these samples under a microscope to see if someone has mesothelioma or another type of chest cancer.
Your doctor might call this surgery a pleuroscopy. If the doctors are doing a small operation, it’s often called video assisted thoracoscopic surgery (VATS).
Overview of a Thoracoscopy for Mesothelioma
Before having the procedure, your doctor will take a CT-scan. This scan helps doctors know where to look for any cancer that might be there and how to do the surgery in the best way.
The anesthesiologist gives you medicine to make you fall asleep. Doctors will help you lie down on your side and make a tiny cut near your shoulder blade. Then they use air to deflate your lung so that it’s easier for them to see what they are doing. They also put in different instruments like an endoscope with a camera through one or two cuts in your side or back.
While manipulating the endoscope, surgeons view the inside of your chest on a video screen. If a biopsy or other surgical procedure is being performed, additional tools for gripping and cutting will be used. For a biopsy, surgeons collect multiple samples of normal and suspicious tissues for further study.
When the procedure is completed, surgeons place one or more temporary tubes into the chest to drain fluid and air. Surgeons then close the incisions using sutures or staples.
The entire procedure generally takes between 45 and 90 minutes to complete.
Surgical Consultation for Thoracoscopy
A thoracoscopy requires a doctor to check if you are able to have it done. During the consultation, your surgeon will talk with you about the procedure and answer any questions or worries you may have. If there are any issues with your heart, you may need approval from a cardiologist.
Patients will learn more about how to prepare for surgery, including whether they should stop taking certain medications or supplements. They will also learn about the recovery process and how long it may take to fully recover.

Recovery from a Thoracoscopy
After the procedure, the chest tube must remain in place for at least two to three days, or until your lung fully expands without any leaks.
To help relieve pain, doctors will provide medicine orally, through an IV and through the chest tube. To prevent pneumonia, nurses and respiratory specialists will encourage you to perform coughing and breathing exercises.
Contact your doctor immediately if you experience any of the following:
- Chest pain
- Increased shortness of breath or difficulty breathing
- Fever exceeding 100.5 F
- Increased redness, drainage or swelling near incisions or chest tube
- Foul-smelling drainage from incisions
- A bubbling or sucking sound from an incision
One to two weeks after surgery, you will return to the hospital for a follow-up with your doctor.
Risks and Complications
Few risks are associated with a thoracoscopy, and it is substantially less risky than a thoracotomy — a much more invasive open chest surgery also used to diagnose mesothelioma.
Although a thoracoscopy is a safe procedure, there are some potential risks. Complications may include:
Although a thoracoscopy is a safe procedure, there are some potential risks. Complications may include:
- Wound infection
- Severe bleeding
- Pain or numbness around incisions
- Lung inflammation (pneumonia)
- Air leakage through the lung wall
- Adverse reaction to anesthesia
Originally, researchers voiced concerns about tumor seeding after thoracoscopy. This rare complication involves unintentional tumor spread as doctors pull cancerous cells into unaffected areas while manipulating the camera. One study from 1995 determined that radiation therapy could be used to prevent tumor seeding. Out of 20 patients who received a total of 38 thoracoscopies, preventative radiation therapy resulted in zero instances of tumor seeding.
Thoracoscopy Research
In the U.S. and abroad, research has demonstrated this procedure is a vital tool for diagnosing mesothelioma. Numerous studies report that diagnostic thoracoscopy is simpler, safer, less painful and virtually just as reliable as thoracotomy.
In one study involving 188 patients with pleural mesothelioma, doctors performed a thoracoscopy to obtain biopsy samples. A French panel of mesothelioma specialists later tested the biopsy results in the lab and confirmed the presence of mesothelioma in all patients.

Additionally, doctors were able to use tissue samples obtained during the procedure to identify the degree of cancer involvement in the patient’s visceral pleura, parietal pleura and diaphragm. The researchers were also able to determine the stage of cancer for each patient.
Another study conducted in China included 19 patients suspected of having pleural mesothelioma. Using thoracoscopy, researchers were able to correctly diagnose mesothelioma in nearly 95 percent of the cases studied.
U.S. researchers performed a retrospective study of 95 patients with pleural mesothelioma. After analyzing each patient for their mesothelioma subtype, the researchers diagnosed 75 with epithelial mesothelioma and 12 with biphasic mesothelioma.
Thoracoscopy correctly identified the mesothelioma subtype in 94 percent of epithelial patients and 20 percent of biphasic patients. The study confirmed this procedure as a cornerstone of the diagnosis and staging of pleural mesothelioma, but found the technique to be less effective at identifying a patient’s histological subtype.
In a 2016 study published in the Annals of Thoracic Medicine, Italian researchers evaluated the trends in the use of thoracoscopy for patients with mesothelioma and other thoracic diseases.
They found the accuracy of the procedure for diagnosing cancer increased from 57 percent to nearly 80 percent from 1984 to 2013. The study included 2,752 patients. Cancers, including pleural mesothelioma and lung cancer, represented more than half of the diagnoses.