Table 1.

Biochemical investigations of the patient revealing obstructive jaundice, elevated INR and non-specifically elevated serum amylase level.

Blood urea nitrogen	55 mg/dL
Serum creatinine	1.4 mg/dL
Total serum bilirubin	14.0 mg/dL (mixed conjugated and unconjugated hyperbilirubinemia
Aminotransferase (SGOT/SGPT)	98/68 U/L (normal < 40)
Serum alkaline phosphatase	4 times the normal value
International Normalized Ratio (INR)	3.5
Serum amylase	185 U/L (normal, 20–80)
Serum lipase	55 U/L (normal, 0–190)