cold abscess n.
An abscess not accompanied by heat or other usual signs of inflammation.
Finally the tuberculous tissue breaks down and liquefies, resulting in the formation of a cold abscess.
From a cold abscess it is diagnosed by the history and progress of the swelling and by the absence of fluctuation.
It is doughy and elastic, but may at any time liquefy and form a cold abscess.
It may be differentiated from a cold abscess by puncture with an exploring needle.
cold abscess or empyema of the knee is a rare condition, in which the joint becomes filled with pus.
A fatty tumour is to be diagnosed from a cold abscess and from a cyst.
There is little wasting of muscles, and it is exceptional to have signs of disease of the articular surfaces or of cold abscess.
In tuberculous disease a large fluctuating swelling may form and acquire the characters of a cold abscess (Fig. 115).
More rarely the joint contains pus, and the surface of the synovial membrane resembles the wall of a cold abscess.
The walls of a tubercular sinus are lined with a material identical with the pyogenic membrane of a cold abscess.