1. ENT Department, Pitié‐Salpêtrière Hospital, APHP Sorbonne University Paris France
2. Neuroradiology Department, Pitié‐Salpêtrière Hospital, APHP Sorbonne University Paris France
3. Department of Internal Medicine 2, National Reference Center for Histiocytosis, Pitié‐Salpêtrière Hospital, APHP Sorbonne University Paris France
4. Anatomopathology Laboratory, Ambroise Paré Hospital, APHP Paris‐Saclay University Boulogne‐Billancourt France