(1) What is the possible diagnosis of this patient? What is the basis of the diagnosis? (2) Which diseases should this case be differentiated from? (3) What is the principle of treatment of this patient? The Possible Diagnosis and Basis of Treatment for a 23-Year-Old Male Patient with Positive Hepatitis B Markers for 5 Years and Recent Symptoms of Fatigue, Nausea, and Loss of Appetite

The Possible Diagnosis and Basis of Treatment for a 23-Year-Old Male Patient with Positive Hepatitis B Markers for 5 Years and Recent Symptoms of Fatigue, Nausea, and Loss of Appetite

The patient in this case has presented with symptoms of fatigue, nausea, and loss of appetite for one week, as well as a positive hepatitis B marker for five years. Based on the physical examination and laboratory results, the possible diagnosis for this patient is acute hepatitis B virus (HBV) infection, as evidenced by the positive HBsAg, HBeAg, and HBc-Ab, as well as the high HBV DNA levels (3.24 × 108 IU/ml) (Yang and Zhang, 2016). This diagnosis should be differentiated from other diseases with similar symptoms, such as acute hepatitis A virus (HAV) infection, which is characterized by positive HAV-IgM and HAV-IgG, as well as acute hepatitis E virus (HEV) infection, which is characterized by positive HEV-IgM and HEV-IgG (Li et al., 2017). In this case, the patient is positive for HEV-IgM and HEV. Cont…