Mr Dolman said there had been an influx of new purchasing power from China, India and other emerging economies to complement the industry's traditional reliance on New York and London-based buyers.
At Westville Hospital, dermatological diagnostic costs were reduced by the purchase of a new imaging machine that diagnoses skin cancer in such cases as reliably as the tissue tests do.
If enough higher-paying jobs are lost by American workers to outsourcing, he calculates, then the gain from the cheaper prices may not compensate for the loss in U. S. purchasing power.
Take painter Rick Norsigian, who bought 65 glass-plate negatives at a yard sale 10 years ago that were purportedly taken by photography legend Ansel Adams in the 1920s and 1930s.
Most Americans with private insurance are still horrified by thoughts of health-management organisations and prefer to pay fees for each medical service.