A 10-year-old boy was admitted to the ward with complaints of fever for 2 weeks duration. After admission his fever pattern is recorded (shown below). In addition, he has ahritis and hepatosplenomegaly. What is the likely diagnosis?

The depicted fever pattern is suggestive of Quotidian fever. Quotidian fever means the presence of daily fever spikes with temperature touching and going below baseline (37oC ) on occasions. Among the given options, this fever pattern is suggestive of Systemic onset JIA. In Systemic onset JIA, in addition to ahritis, Systemic features such as fever, evanescent rash, enlarged liver and spleen, lymphadenopathy, serositis and pericardial effusions can be seen