There are two types of TB: latent TB infection and TB disease. A person has latent TB infection if they have a positive TB skin test and a normal (negative) chest x-ray. This means the person has breathed in the TB germs, but his or her body has been able to fight the germs.

Does TB show on a chest xray?

There are two types of TB: latent TB infection and TB disease. A person has latent TB infection if they have a positive TB skin test and a normal (negative) chest x-ray. This means the person has breathed in the TB germs, but his or her body has been able to fight the germs.

What are radiological findings of TB?

The most characteristic radiological feature in primary tuberculosis is lymphadenopathy. On enhanced CT, hilar and mediastinal nodes with a central hypodense area suggest the diagnosis. Cavitation is the hallmark of postprimary tuberculosis and appears in around half of patients.

What can TB be mistaken for?

Diseases, most often initially misdiagnosed as tuberculosis, were pneumonia (52 %), lung cancer (20 %). 2. The period from the disease manifestation up to establishment of final diagnosis was 84 ± 72.8 (mean±SD) days.

What is tuberculosis in chest?

Tuberculosis is a bacterial infection that can pass through the air between people. When it affects the lungs, the medical name for this is pulmonary tuberculosis. It can cause chest pain, severe coughing, and a range of other symptoms.

What is the difference between tuberculosis and pulmonary tuberculosis?

The bacterium Mycobacterium tuberculosis causes tuberculosis (TB), a contagious, airborne infection that destroys body tissue. Pulmonary TB occurs when M. tuberculosis primarily attacks the lungs. However, it can spread from there to other organs.

How many stages of TB are there?

There are 3 stages of TB—exposure, latent, and active disease. A TB skin test or a TB blood test can diagnose the disease.

What is the symptoms of pulmonary tuberculosis?

When symptoms of pulmonary TB occur, they can include:

  • Breathing difficulty.
  • Chest pain.
  • Cough (usually with mucus)
  • Coughing up blood.
  • Excessive sweating, particularly at night.
  • Fatigue.
  • Fever.
  • Weight loss.