How many images does a typical skeletal survey, also known as a bone survey, contain?

A typical skeletal survey, or bone survey, generally contains between 15 to 20 images. This extensive range of images is necessary to provide a comprehensive evaluation of the entire skeletal system. The purpose of a skeletal survey is often to identify conditions like metastatic disease, multiple myeloma, or other bone abnormalities.

Having 15 to 20 images ensures that all critical areas of the skeleton are visualized, which includes the skull, spine, ribs, pelvis, and long bones of the limbs. The number of images allows the radiologist to assess the bones for lesions, fractures, or other pathologies that could indicate disease. The survey's meticulous nature reflects the need for thoroughness in diagnosing conditions where bone involvement is suspected.

Other options would not adequately capture the necessary views of the entire skeletal system. Fewer images may lead to incomplete assessments, missing critical findings that could affect the patient's diagnosis and treatment. Therefore, the choice of 15 to 20 images strikes the right balance between comprehensiveness and manageability for proper evaluation of skeletal health.