Erdheim-Chester disease with concomitant Rosai-Dorfman like lesions: a distinct entity mainly driven by MAP2K1

Affiliations

• ¹ Internal Medicine Department 2, Assistance Publique-Hôpitaux de Paris, French National Reference Center for Histiocytoses, Pitié-Salpêtrière Hospital, Paris, France.
• ² Paris VI University, UPMC, Sorbonne Universités, Paris, France.
• ³ Department of Neurology, Memorial Sloan Kettering Cancer Center, New York, NY, USA.
• ⁴ Institute of Neurology, Goethe University Hospital, Frankfurt Cancer Institute, German Consortium for Translational Cancer Research, Frankfurt, Germany.
• ⁵ Department of Internal Medicine and Infectious Disease, Sotiria Hospital, Athens, Greece.
• ⁶ Department of Pathology, Assistance Publique-Hôpitaux de Paris, Pitié-Salpêtrière Hospital, Paris, France.
• ⁷ Pathology Service, Ambroise Paré Hospital, Assistance Publique-Hôpitaux de Paris Boulogne, Paris, France.
• ⁸ EA4340, Université de Versailles SQY, Université Paris Saclay, Boulogne, Paris, France.
• ⁹ Division of Hematology, Mayo Clinic, Rochester, MN, USA.
• ¹⁰ Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY, USA.
• ¹¹ Internal Medicine Department 2, Assistance Publique-Hôpitaux de Paris, French National Reference Center for Histiocytoses, Pitié-Salpêtrière Hospital, Paris, France julien.haroche@aphp.fr.