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Medical Health Encyclopedia
Transillumination
From Healthscout's partner site on asthma, MyAsthmaCentral.com
Transillumination is the shining of a light through a body cavity or organ. How the test is performed The room lights are dimmed or turned off so that the appropriate part of the body may be seen more easily. A bright light is then pointed at a location on the body, typically the head, scrotum, chest of a premature or newborn infant, or breast of an adult female. Transillumination is also sometimes used to find blood vessels. How to prepare for the test No preparation is necessary for this test. How the test will feel There is no discomfort associated with this test. Why the test is performed This test may be done along with other tests to diagnose:
In newborns, a bright halogen light may be used to transilluminate the chest cavity if there are signs of a collapsed lung. (Transillumination through the chest is only possible on small newborns.)
Review Date: 11/14/2007 ![]() ![]() | |||||||||||||||||
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