A patient has undergone surgical removal of a cavitary liver lesion 2 cm in diameter. It was revealed that the cavity wall was formed by dense fibrous connective tissue; the cavity contained murky thick yellowish-green fluid with an unpleasant odor. Microscopically the fluid consisted mainly of polymorphonuclear leukocytes. What pathological process are these morphological changes typical for?

Question

Answer options

Acute abscess
Empyema
-
Phlegmon
Chronic abscess

Correct answer

Chronic abscess

Explanation

In chronic abscess, there are formations of the cavity while there is none in acute. The size and other signs (dense fibrous connective tissue wall) show it is an abscess(i.e. both empyema and phlegmon are much larger in size).

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