Skin's 'Yellow Alert': Growths Can Signal High Blood Lipids, Doctor Warns

Yellow bumps and nodules on the skin, particularly on eyelids, joints, and heels, can be a "yellow alert" for high blood lipid levels, according to Dr. Tseng Kuo-hsiang, director of the Cardiovascular Center at the National Defense Medical Center's Taoyuan General Hospital's Hsinchu Branch.

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Yellow bumps and nodules on the skin, particularly on eyelids, joints, and heels, can be a "yellow alert" for high blood lipid levels.

He explained that these "xanthomas" can manifest in four common ways: xanthelasma on the eyelids, tuberous xanthoma on joints, eruptive xanthoma on the torso, and tendinous xanthoma on the Achilles tendon or finger tendons. Tendinous xanthoma, in particular, may be linked to familial hypercholesterolemia.

Dr. Tseng emphasized that these are not just skin issues but signs that blood lipids are excessively high, posing a significant risk of cardiovascular and cerebrovascular blockages. He urged individuals to seek medical attention for blood tests to determine the underlying cause.

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If people see these characteristics on their bodies, it means the "oil" in their blood vessels has "overflowed," and the risk of cardiovascular and cerebrovascular blockage is extremely high, requiring immediate medical attention.

While visible xanthomas indicate extremely high lipid levels, Dr. Tseng cautioned that their absence does not guarantee normal levels. He noted that over 90% of patients with high blood lipids show no external skin abnormalities until a critical event like a heart attack occurs. Therefore, regular blood check-ups remain the most accurate method for detecting this "silent killer."

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Although having xanthomas indicates extremely high blood lipids, having no xanthomas absolutely does not mean blood lipids are normal. As many as over 90% of patients with high blood lipids have clean skin without any abnormalities until the moment they collapse from a myocardial infarction.