The Histiocyte Society Annual Meeting 2018 This event will feature programming that will discuss the latest in research and treatment for histiocyte related diseases such as Langerhans cell histiocytosis. Registration Early bird (before 7/23) $100/$150/$275/$370/$550/$700 (Extra banquet ticket/EISD attendee single day/single day/family groups, residents, retirees, fellows/member/nonmember) Regular (before 9/19) $100/$175/$335/$450/$675/$825 Onsite $100/$200/$400/$530/$800/$950