主题：PET/CT在恶性肿瘤中的应用 -- 良金百辟

http://www.medpagetoday.com/Surgery/Otolaryngology/17053

By Charles Bankhead, Staff Writer, MedPage Today

Published: November 17, 2009

Reviewed by Zalman S. Agus, MD; Emeritus Professor

University of Pennsylvania School of Medicine and

Dorothy Caputo, MA, RN, BC-ADM, CDE, Nurse Planner

For assessment of tumor response at the primary site, PET-CT had a negative predictive value of 92%. However, false-positive results were common, reflected in a specificity of 54%.

54%是极低的Specificity。如果是50%的话就等于扔硬币了。