pathological dislocation


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pathological dislocation

A dislocation resulting from paralysis or disease of the joint or supporting tissues.
See also: dislocation

dislocation

1. displacement of a bone from a joint. Signs include loss of motion, temporary paralysis of the involved joint, pain and swelling, and sometimes shock. Some dislocations, especially of the hip, are congenital, usually resulting from a faulty construction of the joint.
2. displacement of the lens in the eye. See lens luxation.

complete dislocation
one in which the surfaces are entirely separated.
compound dislocation
one in which the joint communicates with the outside air through a wound.
pathological dislocation
one due to disease of the joint or to paralysis of the muscles.
simple dislocation
one in which there is no communication with the air through a wound.
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