Acute hepatitis due to infectious mononucleosis.

The syndrome of infectious mononucleosis is commonly seen with Epstein-Barr virus (EBV) infection. It may cause acute hepatitis, which is usually self-limiting and characterised by mildly elevated liver enzymes, but rarely jaundice. The patient being reported showcases EBV infection with jaundice, which is an uncommon scenario.

Transient splenial lesion due to non-cirrhotic hyperammonaemia in dengue fever.

Transient splenial lesion(TSL) is seen in a variety of conditions and is detectable only on MRI of the brain. Dengue fever (DF) is a common viral infection encountered in the tropics. The affected patients may face neurological complications like encephalopathy and intracranial haemorrhage, or even ischaemic stroke.