The shining of a light through a body cavity or organ. Then a bright light is shined through a cavity or organ, typically the head, scrotum , breast, or chest in the premature newborn infant . In newborns, a bright halogen light may be used to transilluminate the chest cavity if it is suspected they have a pneumothorax . Transillumination through the chest is only possible on small newborns. Diagnosis of pneumothorax is always confirmed by chest X-ray .
Benign tumors tend to appear red.
Malignant tumors are brown to black. The information provided herein should not be used for diagnosis or treatment of any medical condition. A licensed physician should be consulted for diagnosis and treatment of any and all medical conditions. Inc. Any duplication or distribution of the information contained herein is strictly prohibited. We subscribe to the HONcode principles of the Health On the Net Foundation By using this service, you accept our Terms of Use .