Reply To: Rare Diseases and Unusual Conditions You are here: Connect! Forums › SIG Forums › Rare Diseases and Unusual Conditions › Reply To: Rare Diseases and Unusual Conditions July 20, 2022 at 7:58 pm #369536 Lorelei CheungParticipant I also work with difficult to diagnose symptoms and rare diseases with a speciality in EDS and Mast Cell-related syndromes. I also have experience with navigating pediatric genetic disorders.