Assessment of the role of tissue C4d complement fragments in liver biopsy as a new marker for differentiating between acute rejection and Hepatitis C (HCV) recurrence in recipients post living donor liver transplantation (LDLT) .As each condition require different treatment

Role of tissue c4d assessment by immunohistchemistry in liver biopsy in differentiation between recurrent hepatitis c and rejection after liver transplantation.pathological examination may be sometimes confusing between the rejection and recurrent hepatitis C

Inclusion Criteria:

• Patients transplanted for HCV related disease that are presented with elevated liver enzyme and/or hyperbilirubinemia and normal Abdominal Doppler ultrasound and Magnetic resonance cholangiography (MRCP).

Exclusion Criteria:

• Evidence of other causes of elevated liver enzyme and/or hyperbilirubinemia as abnormal Abdominal Doppler ultrasound and/or Magnetic resonance cholangiography MRCP findings.