Search results
Results from the WOW.Com Content Network
M. tuberculosis is able to reproduce inside the macrophage and will eventually kill the immune cell. The primary site of infection in the lungs, known as the Ghon focus, is generally located in either the upper part of the lower lobe, or the lower part of the upper lobe. [13] Tuberculosis of the lungs may also occur via infection from the blood ...
The medical history includes obtaining the symptoms of pulmonary TB: productive, prolonged cough of three or more weeks, chest pain, and hemoptysis.Systemic symptoms include low grade remittent fever, chills, night sweats, appetite loss, weight loss, easy fatiguability, and production of sputum that starts out mucoid but changes to purulent. [1]
Ghon's complex is a lesion seen in the lung that is caused by tuberculosis. [1] [2] The lesions consist of a Ghon focus along with pulmonary lymphadenopathy within a nearby pulmonary lymph node. A Ghon's complex retains viable bacteria, making them sources of long-term infection, which may reactivate and trigger secondary tuberculosis later in ...
Mycobacterium tuberculosis (M. tb), also known as Koch's bacillus, is a species of pathogenic bacteria in the family Mycobacteriaceae and the causative agent of tuberculosis. [1] [2] First discovered in 1882 by Robert Koch, M. tuberculosis has an unusual, waxy coating on its cell surface primarily due to the presence of mycolic acid.
It doesn’t just survive, though, it proliferates, and creates a localized infection. At this point somebody has developed primary tuberculosis, which means that they have signs of infection soon after being exposed to TB. Even though it sounds bad, most people at this stage are actually asymptomatic or maybe have a mild flu-like illness.
That marked Everette's second interception of Ewers on the afternoon and gave Stockton the opportunity to bleed clock. But then Stockton's inexperience showed, to devastating effect.
Chest X-ray of a person with advanced tuberculosis: Infection in both lungs is marked by white arrow-heads, and the formation of a cavity is marked by black arrows. 3. Nodule with poorly defined margins - Round density within the lung parenchyma, also called a tuberculoma.
Initial symptoms of Marburg virus are non-specific—meaning, they could be signs of a lot of different illnesses. “The disease begins with some influenza-like symptoms,” Dr. Adalja says.