What is the primary purpose of an endoscopy?

The primary purpose of an endoscopy is to visualize the interior of a hollow organ. This medical procedure involves using a flexible tube equipped with a camera and light source, known as an endoscope, which can be inserted into various parts of the body, such as the gastrointestinal tract. The images captured during endoscopy allow healthcare providers to examine the inner linings of these organs, identify abnormalities, assess the condition of the organ, and sometimes perform therapeutic interventions.

While detecting cancer cells is an important use of endoscopy, it is not the primary purpose. Instead, the procedure typically focuses on providing direct visualization to guide further diagnostics or treatment options. The creation of 3D images of organs is not a function of standard endoscopic procedures; rather, imaging techniques such as MRI or CT scans are used for that purpose. Additionally, measuring blood flow is generally accomplished through methods like Doppler ultrasound, not through endoscopy. Thus, endoscopy primarily aims to facilitate the direct observation of internal structures, which is crucial for accurate diagnosis and treatment.