NEET PG DENTAL EXAM

Detailed explanation-1: -"Xanthoderma” is a term that describes a yellow to orange macular discoloration of the skin. The cause of this finding ranges from benign to potentially life-threatening disease. To date the literature fails to comprehensively review the various causes and workup of this clinical manifestation.

Detailed explanation-2: -Jaundice is a condition produced when excess amounts of bilirubin circulating in the blood stream dissolve in the subcutaneous fat (the layer of fat just beneath the skin), causing a yellowish appearance of the skin and the whites of the eyes.

Detailed explanation-3: -In jaundice, xanthoderma is caused by the build-up of bilirubin in the elastic tissues which leads to yellow-discoloration of the epithelium. Several diseases can cause jaundice and they are prehepatic, hepatic, or posthepatic in nature.

Detailed explanation-4: -What color is the hypodermis? The hypodermis is yellowish. Depending on how much of the pigment called carotene is in your hypodermis, it can be dark yellow or light yellow.