Since early symptoms can be mistaken for common digestive problems, many cases of gallbladder and bile duct cancer are diagnosed at advanced stages. Routine health checkups, especially for those at ...

Sixty-two subjects (2.4%) were excluded because of inability to adequately visualize the gallbladder, while one subject (0.04%) was found to have both a gallbladder stone and a gallbladder polyp.

Ultrasound is a non-invasive imaging technique that uses the differential reflectance of acoustic waves at ultrasonic frequencies to detect objects and measure distances. It is commonly used for ...