Problems in endocrinologic imaging.

Imaging particularly cross-sectional computer-assisted techniques such as CT and MR imaging, has become so refined and even breathtaking that the display of anatomy is beguiling endocrinologists into an unhealthy reliance on visual data. The demonstration of a focal abnormality in an endocrine gland tells us nothing about its function. Overreliance on such displays of anatomy leads to problems in diagnosis and treatment. This article points out some instances in which imaging is deceptive.