An adult male comes with complaints of fever and transient neurologic deficits

An adult male comes with complaints of fever and transient neurologic deficits.

Lab investigations revealed low platelet count, and peripheral smear studies revealed microangiopathic hemolytic anaemia.

Further studies revealed raised serum urea and serum creatinine levels with deficiency in a plasma
enzyme called ADAMTS13.

Thrombotic thrombocytopenicpurpura