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Tests and Scans

Cancer.Net: Tests and Procedures - This is the patient information Web site of the American Society of Clinical Oncology (ASCO). It is designed to help patients and families make informed health-care decisions. The most common diagnostic tests for cancer are described here.
Also in Spanish.

Lab Tests Online - Lab Tests Online has been designed to help you, as a patient or family caregiver, to better understand the many clinical lab tests that are part of routine care as well as diagnosis and treatment of a broad range of conditions and diseases. This site has a large amount of information on all sorts of tests, lab work, and screenings for cancer, other diseases, and general health and wellness.

MedlinePlus - Diagnostic Tests - MedlinePlus has extensive information from the National Institutes of Health and other trusted sources on over 900 diseases and conditions. There are directories, a medical encyclopedia and a medical dictionary, easy-to-understand tutorials on common conditions, tests, and treatments, health information in Spanish, extensive information on prescription and nonprescription drugs, health information from the media, and links to thousands of clinical trials. This page specifically has information on a wide variety of common medical tests and screenings.  Also in Spanish
Also see:

NIH News in Health: Medical Scans Explained - This information is from a monthly newsletter from the National Institutes of Health, part of the U.S. Department of Health and Human Services. - The website contains over 130 radiologic procedures and disease descriptions and is updated frequently with new information. All material on the website is reviewed and approved by experts in the field of radiology from the ACR and RSNA, as well as other professional radiology organizations.
Also in Spanish.


Interactive Tutorials / Videos

Health Library: Procedures and Tests - You will find a collection of 3D animation videos on this site.  A few of the many are listed here:


March 2021