What are the diagnostic criteria for primary liver cancer?

Apr 10, 2023 Source: Cainiu Health

Dr. Jin Zhongkui

Introduction

The patient presents with fever, nausea, a hard mass in the right upper quadrant below the ribs, abdominal distension, pale stools or dark-colored urine, and jaundice of the skin and sclera. CT imaging reveals a low-density space-occupying lesion, while ultrasound shows hypoechoic or isoechoic abnormalities within the liver. A biopsy is performed by fine-needle aspiration or surgical removal of part of the tumor to examine for malignant transformation.

In general, the diagnostic criteria for primary liver cancer include clinical symptoms, imaging examinations, and histopathological biopsy. The details are as follows:

1. Clinical Symptoms

Patients commonly present with fever, nausea, loss of appetite, a hard mass in the right upper abdomen below the ribs, abdominal swelling, pale-colored stools or dark urine, and jaundice of the skin and sclera.

2. Imaging Examinations

Imaging techniques such as CT scans can reveal low-density space-occupying lesions, while ultrasound may detect hypoechoic or isoechoic abnormal lesions within the liver.

3. Histopathological Biopsy

A biopsy can be performed via fine-needle aspiration or surgical removal of part of the tumor to examine for malignant changes under a microscope.

In addition, tumor marker tests can also serve as part of the diagnostic criteria. Once diagnosed, active treatment should be pursued under the guidance of a physician.

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Diagnostic criteria for primary liver cancer

The diagnostic criteria for primary liver cancer mainly include clinical diagnosis, pathological diagnosis, and qualitative diagnosis. A diagnosis can be made when there are clinical manifestations of liver cancer, definite extrahepatic metastatic lesions—such as hemorrhagic ascites or cancer cells found in the ascitic fluid—and metastatic liver cancer has been ruled out. In addition, localization diagnosis can further confirm whether the cancer is primary liver cancer. Patients are advised to visit a正规 hospital for proper evaluation and receive appropriate treatment.

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Characteristics of ascites in primary liver cancer

In general, the characteristics of ascites in primary liver cancer include abdominal distension, abdominal tenderness, a sensation of abdominal fullness, shortness of breath, and abdominal wall venous dilation. After liver damage in patients with primary liver cancer, the liver is unable to effectively remove toxins and metabolic waste from the blood, leading to decreased protein levels in the bloodstream and a reduction in intravascular osmotic pressure.

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Early symptoms of primary liver cancer

Important early manifestations of primary liver cancer are generally atypical. Most patients with early-stage liver cancer have no symptoms, while some may experience loss of appetite, abdominal distension, nausea, vomiting, or diarrhea—symptoms that are not particularly characteristic. Pain in the liver area, hepatomegaly, jaundice, or an abdominal mass usually indicate advanced liver cancer. Early-stage liver cancer is primarily detected through outpatient follow-up and regular surveillance examinations.

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What is the best method to cure primary liver cancer?

Primary liver cancer is one of the common malignant tumors. There is no single optimal method to completely cure primary liver cancer, but the disease can be treated through dietary regulation, targeted drug therapy, surgical treatment, tumor ablation, liver transplantation, and other approaches. Patients with primary liver cancer should seek timely medical care at a hospital and actively undergo treatment under a doctor's guidance to prolong survival. Patients should also maintain confidence in treatment and strengthen their ability to fight the disease.

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Is alpha-fetoprotein always elevated in primary liver cancer?

If the primary liver cancer lesion is relatively small, the amount of alpha-fetoprotein (AFP) produced may be low. Alternatively, even if the tumor is large, AFP levels might still be low if secretion is delayed or reduced. Since the cancer cells in primary liver cancer are undifferentiated primitive cells capable of secreting large amounts of AFP, AFP levels are generally elevated in most cases.

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What is primary liver cancer? Is it serious?

Regardless of the type of primary liver cancer, if it is relatively severe, it should be taken seriously and treated actively. A comprehensive assessment should be made based on the patient's general condition, liver function, presence of extrahepatic metastasis, vascular invasion, clinical infiltration, as well as the number and size of tumors, followed by selection of a targeted surgical strategy. Common treatment options include surgical resection and ablation, interventional therapy, and liver transplantation.

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Differences Between Primary and Secondary Liver Cancer

Primary liver cancer is a tumor that originates in hepatocytes, whereas secondary (metastatic) liver cancer arises from metastasis of tumors originating elsewhere in the body—this distinction reflects differences in tissue origin. Their biological characteristics also differ: primary liver cancer exhibits biological features characteristic of hepatocellular carcinoma, while metastatic liver cancer displays histological and biological features consistent with those of its primary tumor.

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Most Common Symptoms of Primary Liver Cancer

The most common symptoms of primary liver cancer may include pain in the hepatic region, abdominal distension, fatigue, weight loss, fever, jaundice, and an upper abdominal mass. Hepatic pain: The pain may manifest as persistent dull, distending, or stabbing discomfort, often worsening at night or after physical exertion. The location of hepatic pain closely corresponds to the site of the lesion. For instance, lesions in the right lobe of the liver typically cause pain in the right hypochondriac region.

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