Please note - All meetings on Days 1 and 2 will take place at the BioClinicum Research Center at the Karolinska University Hospital Solna.  All meetings on Days 3 and 4 will take place at the Grand Hotel

Day 1 - Saturday, September 17, 2022
1000 - 1600     Executive Board Meeting*
1230 - 1330     Lunch (Board)
1600 - 1630     Coffee Break (Board + Steering Committee members)
1630 - 1800     LCH Steering Committee Meeting*
1630 - 1800     Rare Histiocytic Disorders Steering Committee Meeting*

Day 2 - Sunday, September 18, 2022
0800 - 1700     Meeting Registration and Check-In
0830 - 0930     LCH-IV Study Management Group*
0830 - 0930 LCH in Adults Sub Committee Meeting*
0830 - 1000     HLH Education Session - Rebecca Marsh, Despina Moshous and Kim Nichols
0930 - 1000     Coffee Break
1000 - 1230     LCH Disease Discussion Session
1030 - 1200 HLH in Adults Working Group Meeting*
1115 - 1215 Rare Histiocytoses Education Session - Eli Diamond and Jean-Francois Emile
1230 - 1330     Lunch 
1230 - 1330 Young Investigators/New Members Lunch w/ Executive Board
1330 - 1500     Rare Histiocytic Disorders Discussion Session
1330-1335 Introduction - Eli Diamond
                                 1335-1345 International Rare Histiocytic Disorders Registry - Oussama Abla
1345-1355  Malignant Histiocytosis Classification - Jennifer Picarsic 
                        1355-1410 Mutational Landscape of Rare Histiocytic Disorders - Benjamin Durham
                        1410-1425 National Cancer Center Network Guidelines for Histiocytic Neoplasms - Paul Hendrie
                        1425-1440 2021-2022 Rosai-Dorfman Disease updates - Julien Haroche                     
1440-1450 2021-2022 Community Perspective on Rare Histiocytic Disorders - Deanna Fournier 
                        1450-1500 Additional questions and discussion - Eli Diamond

Day 3 - Monday, September 19, 2022
0800 - 1700     Meeting Registration and Check-In
0800 - 0845     Education Committee Meeting*
                        Scientific Committee Meeting*

0845 - 0900     Opening Ceremonies: Histiocyte Society President and Local Organizer
0900 - 0930     Scientific Session 1, Part 1: Oral Presentations
0930 - 0950     Coffee Break
0930 - 1200     Poster Presentation Set-Up
0950 - 1000  Break (while seated)
1000 - 1005 Her Majesty Queen Silvia enters

1005 - 1125 Special Scientific Session with Her Majesty Queen Silvia: Progress and Challenges in Histiocytic Disorders
Progress and Challenges in Hemophagocytic Lymphohistiocytosis - Jan-Inge Henter
Progress and Challenges in Langerhans Cell Histiocytosis - Carl Allen
Special Guest Speaker: Immune System Regulation and Dysregulation in COVID-19 - Petter Brodin
1130 - 1200 Her Majesty Queen Silvia meets patients and parents
1130 - 1200 Scientific Session 1, Part 2: Oral Presentations
1200 - 1300 Lunch
1200 - 1300 Family Group Representative Luncheon/Meeting - Part 1
1200 - 1300 Meet the Expert - HLH - Kai Lehmberg
1300 - 1500 HLH Symposium: Expanding/Refining Our Understanding of Harmful Immune Activation
Hyperferritinemic Sepsis and Multiple Organ Dysfunction Syndrome - Joe Carcillo
Hyperinflammation, Cytokine Release Syndrome, and HLH with CAR-T cell therapy - David Teachey
The outcome of macrophage activation syndrome is determined by the interplay between mode of cell death, HMGB1, and acetylcholine - Ulf Andersson

1500 - 1530  Coffee Break
1500 - 1530  Judging of Posters 1-5 for Arceci Prize
1530 - 1700 Scientific Session II: Presidential Symposium
1700 - 1830 Poster Presentation Session
1900 - ? Optional Excursions
Choice 1: ABBA Museum and Dinner+
Choice 2: Dinner Cruise+

Day 4 - Tuesday, September 20, 2022
0800 - 1300     Meeting Registration and Check-In
0830 - 0930     Clinical Studies and Registries Update
0930 - 1000     Speaker: Jon Pritchard Lecture on the Nikolas Symposium - Astrid van Halteren
1000 - 1030     Coffee Break
1000 - 1030 Judging of Posters 6-10 for Arceci Prize
1030 - 1230     LCH Symposium: New Horizons for LCH
                        Early Inhibitor Therapy for LCH - Ashish Kumar
Long Term Inhibitor Therapy for LCH - Jean Donadieu
MEK inhibitors in pediatric oncology and rare diseaases: Current roles and future possibilities  - Brigitte Widemann
1230 - 1330     Lunch
1230 - 1330     Meet the Expert - LCH - Milen Minkov
                        Meet the Expert - Rare Histiocytoses - Julien Haroche
1230 - 1330 Family Group Representative Luncheon/Meeting - Part 2
1330 - 1500     Scientific Session III: Oral Presentations
1500 - 1510     Presentation of Late Breaking Abstracts
1510 - 1540  Coffee Break
1545 - 1645     General Assembly Business Meeting*
1645 - 1715     Executive Board Meeting*
                        Education Committee Meeting*
                        Scientific Committee Meeting*
1900 - 0100     Histiocyte Society Annual Banquet
                        Closing Ceremonies: Awarding of Scientific Prizes

* Indicates closed session
+ Indicates advance registration required