1. A patient with classic VHL disease (meeting clinical diagnostic criteria) and/or first degree family members |
2. A person from a family in which a germline VHL gene mutation has been identified (presymptomatic test) |
3. A VHL-suspected patient, i.e.: |
- multicentric VHL tumours in one organ, |
- bilateral VHL tumours, |
- two or more VHL organ systems affected, |
- one VHL-associated tumour at a young age (i.e. <50 years for haemangioblastoma and phaeochromocytoma and <30 years for renal cell carcinoma) |
4. A patient from a family with haemangioblastoma, renal cell carcinoma or phaeochromocytoma only |