One of the hallmark features of pulmonary TB on X-ray is cavitation. Cavities are areas of lung tissue destruction that appear as round, hollow spaces within the infiltrate on the X-ray.

One of the boys with cavitary tuberculosis sang in the school choir with 21 other boys, 20 of whom were initially tuberculin negative. Of these 20, ...

Despite the immune evasion/modulation response strategies that M. tuberculosis can induce, the initial response to infection is virtually always a strong inflammatory response. This is because the ...

What is TB? Tuberculosis, also known as TB, is a bacterial infection that primarily affects a person's lungs. Its symptoms vary widely depending on how the slow-growing mycobacterium that causes ...

May 7—The Marin County public health office is tracking an uptick in active tuberculosis cases in Marin. The county had 13 reported cases in 2024, a 44% increase from the previous year. So far ...

Symptoms of active tuberculosis include a cough, pain in the chest, and coughing up blood or phlegm. Many people can carry the bacteria without showing symptoms, known as latent tuberculosis.

“If someone comes in and they’re coughing up blood like they got a cavitary lesion, that’s when you’re going to think TB,” he said. “A lot of times, it doesn’t present like that.

Tuberculosis cases are on the rise, including in North Carolina. The Kansas City area is currently at the epicenter of an unusual tuberculosis outbreak, where 67 people are being treated for the ...

“If someone comes in and they’re coughing up blood like they got a cavitary lesion, that’s when you’re going to think TB,” he said. “A lot of times, it doesn’t present like that.