Unified Medical Language System® (UMLS®)
PDQ Source Information
Web site
http://www.cancer.gov/cancertopics/pdq/cancerdatabase/
Authority
The Physician Data Query (PDQ®) cancer database was
developed and is maintained by the U.S. National Cancer Institute
(NCI).
Purpose
PDQ is a comprehensive database designed to make accurate and
up-to-date cancer information available for consumers and health
professionals.
Description
PDQ contains summaries on a wide range of cancer topics; a
registry of 8000+ open and 19,000+ closed cancer clinical trials
from around the world; and a directory of professionals who
provide genetics services. PDQ also contains the NCI Dictionary
of Cancer Terms, with definitions for 6000+ cancer and medical
terms, and the NCI Drug Dictionary, which has information on
1200+ agents used in the treatment of cancer or cancer-related
conditions.
Metathesaurus Scope
The Metathesaurus representation of PDQ includes terms,
definitions, synonyms, abbreviations, and other information for
genes, chemical substances and drugs, treatments and therapies,
and diagnostic procedures associated with cancer and
cancer-related disorders.
Audience
PDQ is used by the general public and health professionals
seeking cancer-related information.
Update Frequency
PDQ is updated regularly.
Metathesaurus Update Frequency
PDQ was last updated in the Metathesaurus in 2007.
Sites Consulted
- PDQ® – NCI’s Comprehensive Cancer Database [Internet]. Bethesda (MD): National Cancer Institute; [cited 2010 Mar 10]. Available from: http://www.cancer.gov/cancertopics/pdq/cancerdatabase/.