Flexible sigmoidoscopy is a colorectal cancer screening technique that detects 50% to 60% of colon cancers. With flexible sigmoidoscopy, the inner lining of the rectum and …..

Bronchoscopy allows direct visualization of the larynx, trachea, and bronchi through a flexible fiberoptic bronchoscope or a rigid metal bronchoscope…

Breast biopsy is performed to confirm or rule out breast cancer after clinical examination, mammography, or
thermography has identified a mass […]

Lumbar puncture is the introduction of a hollow needle into the subarachnoid space of the lumbar portion of the spinal column to diagnose suspected infection and remove blood or pus [….]

A blood culture is performed to isolate and aid in the identification of the pathogens in bacteremia (bacterial invasion of the bloodstream) and septicemia (systemic spread of such infection) [….]

Arthroscopy is the visual examination of the interior of a joint (most commonly a major joint, such as a shoulder, hip, or knee) with a specially designed fiberoptic endoscope that’s inserted through a cannula in the joint cavity.

Nasopharyngeal specimen are sample of secretions from the uppermost part of the throat, behind the nose, to detect organisms that can cause disease. […]