False positives in these types of tests, which identify immune markers rather than the disease-causing bacteria, can happen for a few reasons.

The literature shows that the incidence of tuberculosis (TB) is higher in kidney transplant recipients compared with the general population. TB prophylaxis is usually given to recipients (not donors) ...

DEAR MAYO CLINIC: My daughter’s doctor said her PPD was positive and sent her for a chest X-ray to rule out TB. Is it possible to have a false-positive result? Her pediatrician says she should follow ...

Ten years ago, a colleague’s purified protein derivative (PPD) test was read by several physicians as being positive at 13-mm induration. Disturbed by the results, we tried testing with PPD again. The ...

A few weeks ago, we wrote about a positive test for latent tuberculosis and treating that infection with antibiotics. On the heels of that column, we received some follow-up questions from readers.

A computer-generated image of tuberculosis bacteria, the pathogen infecting people at an Olathe high school. Health officials announced an active tuberculosis case at Olathe Northwest High School in ...

What is the role of the polymerase chain reaction (PCR) process in the diagnosis of abdominal tuberculosis (TB) and in differentiating it from Crohn's disease? Tuberculosis may involve any part of the ...

SHELBY, N.C. — The Cleveland County Health Department is investigating after an individual at Gardner-Webb University tested positive for tuberculosis. Health officials said they were notified about ...

In managing the complication of tuberculosis (TB), the phenomenon of a paradoxical reaction must be considered when there are ...