IMSP Institutul Mamei și Copilului, IP Universitatea de Stat de Medicină și Farmacie „Nicolae Testemițanu”, IMSP Spitalul Clinic Republican “Timofei Moșneaga”, secția Malformații cardiace congenitaleHepatitis B virus infection is a major public health problem worldwide, affecting about 400 million people around the world [1,7,9,18]. About 20% of patients with HBV infection have a wide range of extrahepatic damages that include systemic, renal, cardiovascular, cutaneous, cerebral, hematological, immunological abnormalities, etc [2,9,12,13,14,19,20]. The authors review data from the literature and present the clinical case of a 1-year-old patient diagnosed with renoparenchymal malignant hypertension possibly induced by reactivated occul...