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 ...

At what point should a patient have repeat chest x-ray after reporting a prior (10 years ago) positive purified protein derivative (PPD) result with subsequent isoniazid therapy? The patient reports ...

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 ...

A 40-year-old woman tested positive for purified protein derivative (PPD) six years ago. A chest x-ray at the time was negative. After completing the required course of isoniazid (INH), she has had ...

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) ...

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 ...