International audienceContextDiagnosis announcement of a chronic disease is a crucial moment for patients as well asfor their families and an important step in the management of severe conditions such asrare endocrine diseases. Little is known of how diagnosis is communicated to patients andfamilies. The FIRENDO network was created by the third French Plan for Rare Diseases,to promote autonomy, care and research on rare endocrine diseases.ObjectivesThe aim of this study was to characterize, for the first time, the experience and needs ofpatients and/or their parents around the announcement of diagnosis to ensure optimalquality of care.MethodsA quantitative self-administered survey on diagnosis announcement procedures in rareendocrine diseas...