teratoma (terÂ´ÉtÅÂ´mÉ) , n a tumor composed of cells capable of differentiating into any of the three primary germ layers. Teratomas in the ovary are usually benign dermoidal cysts; those in the testis are generally malignant.
Necrotic pneumonia is typically due to a bacterial infection that begins to destroy the lung tissue. The most common type of bacteria that causes necrotic pneumonia is Streptococcus pneumoniae, though other species are increasingly being identified in sputum cultures of individuals with this serious form of pneumonia.iagnosis. You can typically diagnose necrotic pneumonia from an X-ray of the chest. A chest X-ray will show pockets or cavities of destroyed tissue, as well as a buildup of fluid in these areas of dead lung tissue. The lungs may also be surrounded by pus or pleural fluid due to the inflammation and tissue damage.
Pulmonary tuberculosis (TB) is bacteria that that attack your lungs. It is a potentially deadly disease, but it is curable if you get medical help right away and follow your doctorâs instructions.The bacterium (germ) that causes TB is called Mycobacterium tuberculosis.ulmonary tuberculosis (TB) is bacteria that that attack your lungs. It is a potentially deadly disease, but it is curable if you get medical help right away and follow your doctorâs instructions.