The main cause of caseous necrosis is tuberculosis, a disease that causes lung infection. This disease is commonly caused by the Mycobacterium tuberculosis bacteria that is spread through the air. Therefore, tuberculosis can be passed by an infected person coughing, sneezing, or breathing on another person.

Why is there caseous necrosis?

Causes. Frequently, caseous necrosis is encountered in the foci of tuberculosis infections. It can also be caused by syphilis and certain fungi. A similar appearance can be associated with histoplasmosis, cryptococcosis, and coccidioidomycosis.

What causes Colliquation necrosis?

Liquefactive necrosis (or colliquative necrosis) is a type of necrosis which results in a transformation of the tissue into a liquid viscous mass. Often it is associated with focal bacterial or fungal infections, and can also manifest as one of the symptoms of an internal chemical burn.