Tumor(s) under surveillance | Surveillance modality | Age to initiate | Interval | Comments |
All tumors associated with VHL disease | History and physical examination by physician informed about VHL disease | 1 year | Every year |
|
Retinal hemangioblastoma | Dilated retinal examination | Before 1 year | Every 6 to 12 months |
|
Pheochromocytoma/paraganglioma | Blood pressure and pulse | 2 years | Every year |
|
Plasma or 24-hour urine metanephrines | 5 years | Every year*¶ |
| |
CNS hemangioblastoma | MRI of the brain and spine | 11 years | Every 2 years* |
|
Endolymphatic sac tumors of the middle ear | Audiology | 11 years | Every 2 years* | |
MRI of the internal auditory canal | 15 years | One time |
| |
| MRI of the abdomen | 15 years | Every 2 years* |
|
CNS: central nervous system; MRI: magnetic resonance imaging; VHL: von Hippel-Lindau; VHLA: VHL Alliance.
* Stop testing at age 65 for patients who have never been diagnosed with the tumor under surveillance.
¶ For pregnant patients with VHL disease who did not receive surveillance for pheochromocytoma prior to conception, plasma metanephrines and normetanephrines are generally tested in the first trimester and then early in the third trimester of pregnancy.