How to diagnose primary liver cancer

The diagnosis of primary liver cancer is mainly based on the comprehensive judgment of history, symptoms, signs, laboratory examination and imaging examination, among which alpha-fetoprotein (AFP) is an important index, imaging examination has guiding significance for diagnosis and treatment, liver biopsy is the gold standard, but invasive. The diagnosis of primary liver cancer is mainly based on the comprehensive judgment of medical history, symptoms, signs, laboratory examination, imaging examination, etc. The following is the specific analysis: 1. Medical history: hepatitis B, hepatitis C, cirrhosis and other medical history, or long-term drinking history, primary liver cancer should be highly suspected. 2. Symptoms: There may be liver pain, abdominal distension, fatigue, emaciation and other symptoms, some patients may appear jaundice, fever, etc. 3. Signs: liver may be enlarged, hard texture, nodular feeling, some patients may touch abdominal masses. 4. Laboratory examination: alpha fetoprotein (AFP): is an important indicator for the diagnosis of primary liver cancer, the positive rate is about 70%. Liver function: To understand liver function. Other tumor markers: such as abnormal prothrombin, fucosidase, etc., are helpful for diagnosis. 5. Imaging examination: B ultrasound: can find space-occupying lesions in the liver, which is helpful for diagnosis of liver cancer. Enhanced CT or MRI: It can clearly show the size, location, shape and relationship with surrounding tissues of liver cancer, which has important guiding significance for diagnosis and treatment. Hepatic angiography: It can clarify the blood supply of liver cancer and has important guiding significance for interventional treatment. Liver puncture biopsy: It is the gold standard for diagnosis of liver cancer, but it belongs to invasive examination. It is generally used when other examinations cannot confirm the diagnosis. To sum up, the diagnosis of primary liver cancer requires comprehensive consideration of medical history, symptoms, signs, laboratory tests and imaging results. For high-risk groups, liver cancer screening should be carried out regularly for early detection, early diagnosis and early treatment. Key information: 1. The diagnosis of primary liver cancer requires comprehensive consideration of history, symptoms, signs, laboratory tests and imaging results. 2. Alpha fetoprotein (AFP) is an important index for the diagnosis of primary liver cancer, but it is not the only index. 3. Imaging examination has important guiding significance for the diagnosis and treatment of primary liver cancer. 4. Liver biopsy is the gold standard for diagnosis of liver cancer, but it belongs to invasive examination.