Early skin symptoms of lung cancer

Some skin changes may occur in the early stages of lung cancer, such as dermatomyositis, yellow skin or jaundice, darkening of the skin, itching, skin erythema, etc. It is recommended to seek medical attention in time if any unusual skin symptoms occur.

1. Dermatomyositis: This is a rare autoimmune disease that can cause muscle pain and rash. The link between it and lung cancer is not fully understood, but some studies have shown that dermatomyositis may be one of the early symptoms of lung cancer.

2. Yellow skin or jaundice: Lung cancer may affect liver function and cause jaundice. Jaundice is a symptom of yellowing of the skin and eyes, usually due to the liver's inability to properly process bilirubin. This symptom may be accompanied by itchy skin.

3. Darkening of the skin: Lung cancer may cause darkening of the skin, a symptom called acanthosis nigricans. It usually appears in the folds of the body, such as the armpits, neck, and groin.

4. Skin itching: Lung cancer may cause skin itching all over the body or in specific parts. This itching may be due to allergic reactions or other metabolic changes caused by lung cancer.

5. Skin erythema: Lung cancer may cause red spots or patches on the skin, a symptom known as "lupus erythematosus-like syndrome." It usually appears on exposed parts of the body, such as the face, neck, and arms.

Risk factors for lung cancer include long-term smoking, family history, exposure to harmful substances such as asbestos, etc. For high-risk groups, regular lung cancer screening is an important preventive measure. Maintaining a healthy lifestyle, such as quitting smoking, eating a balanced diet, and getting enough exercise, can also help reduce the risk of lung cancer. Remember, early diagnosis and treatment are the key to increasing the cure rate of lung cancer.