A group of prison inmates developed tuberculosis following exposure to an infected inmate. On examination, tissues were soft and granular (like clumped cheese). Which of the following is the most likely cause?
a. Coagulative necrosis
b. Liquefactive necrosis
c. Caseous necrosis
d. Autonecrosis
ANS: C
Caseous necrosis results from tuberculosis pulmonary infection. Coagulative necrosis occurs pri-marily in the kidneys, heart, and adrenal glands, and commonly results from hypoxia. Liquefac-tive necrosis results from ischemic injury to neurons and glial cells in the brain. Autonecrosis is a process of cellular self-digestion and is not due to infection such as tuberculosis.
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