Flexible sigmoidoscopy is a colorectal cancer screening technique that detects 50% to 60% of colon cancers. With flexible sigmoidoscopy, the…
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…
Lumbar puncture is the introduction of a hollow needle into the subarachnoid space of the lumbar portion of the spinal…
A blood culture is performed to isolate and aid in the identification of the pathogens in bacteremia (bacterial invasion of…
Arthroscopy is the visual examination of the interior of a joint (most commonly a major joint, such as a shoulder,…
Nasopharyngeal specimen are sample of secretions from the uppermost part of the throat, behind the nose, to detect organisms that…