| Abbreviations | Meaning |
 | NPDC | Neurofibromatosis-pheochromocytoma-duodenal Carcinoid [syndrome] |
 | RSS | Russell-Silver Syndrome |
 | BADS | Black Locks-albinism-deafness Syndrome |
 | PSS | Painful Shoulder Syndrome |
 | DRC | Digitorenocerebral [syndrome] |
 | NNS | Neural Network Sramek [equation]; Nicotine Nasal Spray; Nonneoplastic Syndrome |
 | GBS | Guillian-Barre Syndrome |
 | HGPS | Hereditary Giant Platelet Syndrome; Hutchinson-Gilford Progeria Syndrome |
 | LRS | Lumboradicular Syndrome |
 | SMAS | Superior Mesenteric Artery Syndrome |
 | CGS | Cardiogenic Shock; Catgut Suture; Causal Genesis Syndrome |
 | US2A | Usher Syndrome Type IIA |
 | PLS | Preleukemic Syndrome |
 | NKHS | Non-ketotic Hyperosmolar Syndrome |
 | ICE | Iridocorneal Endothelial [syndrome] |