Table 1.
Diagnostic criteria for HHT | |
Definite diagnosis: 3 criteria present | |
Possible or suspected diagnosis: 2 criteria present | |
Unlikely: <2 criteria present | |
| |
Criteria | |
| |
• Epistaxis | Spontaneous, recurrent nose bleeds |
| |
• Telangiectasias | Multiple, at characteristic sites
|
| |
• Visceral lesions | Gastrointestinal telangiectasias |
Pulmonary AVM | |
Hepatic AVM | |
Cerebral AVM | |
Spinal AVM | |
| |
• Family history | First-degree relative with HHT |
From Shovlin CL, Guttmacher AE, Buscarini E, et al. Diagnostic criteria for hereditary hemorrhagic telangiectasia (Rendu-Osler Weber syndrome). Am J Med Genet 2000;91(1):67; with permission.