The observed clinical symptoms of MCD are attributed to hypercytokinemia, including elevated levels of interleukin-6 (IL-6).[3] MCD can be divided into the human herpesvirus 8 infection-related MCD and idiopathic MCD (iMCD).[4] Majority of the patients with UCD are treatable via surgical excision. Here, IL6 is linked to urea cycle disorder.