X-Linked Lymphoproliferative (XLP) Syndrome What Is X-Linked Lymphoproliferative (XLP) Syndrome? X-Linked Lymphoproliferative (XLP) Syndrome? X-linked lymphoproliferative syndrome (XLP), or Duncan’s syndrome, is a rare genetic condition where the immune system does not Read More 2 500 March 12, 2018 0 2 500