Mr. Deter-Wolf believes that most tattoos examined in the study were made with incisions, not punctures. “A painter uses different paintbrushes to achieve different results,” Mr. Deter-Wolf said.

The procedure to remove it, known as a cholecystectomy, can be conducted either through keyhole surgery, where a very small incision is made, or open surgery, when a larger part of the abdomen is ...

developed a new technique for gall bladder removal in 1985 using telescopic instruments introduced into the abdomen through a series of small incisions – the first laparoscopic cholecystectomies. Muhe ...