Endoscopy

Endoscopy is a procedure in which a doctor inserts a thin, lighted tube with a camera (an endoscope) into the body to look directly at internal tissues and, when needed, take small tissue samples (biopsies). It is usually done under sedation or anesthesia and avoids the larger incisions of open surgery. In asbestos-related disease, specialized forms of endoscopy are used to examine the airways, the lining of the lung (pleura), or the lining of the abdomen (peritoneum).

Origin

From the Greek endon (within) and skopein (to look at). The first practical internal scopes were developed in the 19th century, and modern fiberoptic and video endoscopes became standard tools in pulmonary and thoracic medicine in the late 20th century.

Significance in Asbestos Context

For patients with suspected asbestos-related disease, endoscopy is often the step that turns an abnormal scan into a confirmed diagnosis. Bronchoscopy examines the airways and can sample lung masses or lymph nodes; thoracoscopy (also called pleuroscopy or VATS) examines the pleural lining and is the gold-standard way to biopsy suspected pleural mesothelioma; laparoscopy can biopsy the peritoneum when peritoneal mesothelioma is suspected. The pathology report generated from the endoscopic biopsy, including the specific cell type and immunohistochemistry stains, becomes a central piece of evidence both for treatment planning and for any legal claim, because it establishes what disease you actually have.

Example Sentence

After fluid was found around her lung, her pulmonologist scheduled a thoracoscopic endoscopy to biopsy the pleura and confirm whether the cause was mesothelioma.

Related Terms

Bronchoscopy, Thoracoscopy (VATS), Pleuroscopy, Laparoscopy, Biopsy, Immunohistochemistry, Mesothelioma

Notes

• Ask which specific type of endoscopy is being proposed (bronchoscopy, thoracoscopy/VATS, laparoscopy) and what tissue or fluid it will sample. Different procedures answer different diagnostic questions.
• Request that enough tissue be taken for immunohistochemistry and, where appropriate, BAP1 and MTAP testing; small or crushed samples can be inconclusive for mesothelioma.
• Obtain and keep copies of the operative report, the pathology report, and any photographs taken during the procedure. These documents are routinely relied on by treating oncologists and by legal teams evaluating an asbestos claim.
• If an initial bronchoscopy or needle biopsy is non-diagnostic but imaging still suggests mesothelioma, ask whether a thoracoscopic (surgical) biopsy is warranted, as it has a much higher diagnostic yield for pleural disease.