CANCER
GENETIC CANCER RISK
Endocrine
High Risk
Other
Elevated Risk
Renal
Elevated Risk
CANCER TYPE
AGE RANGE
CANCER RISK
RISK FOR GENERAL POPULATION
Paraganglioma/Pheochromocytoma
To age 60
Up to 25%
<0.1%
Renal
To age 80
Elevated risk
1.4%
Gastrointestinal Stromal Tumors (GIST)
To age 80
Elevated risk
<0.1%
CANCER TYPE
PROCEDURE
AGE TO BEGIN
FREQUENCY
Paraganglioma/Pheochromocytoma
Clinical monitoring, including blood pressure measurement
6 to 15 years
Annually
Biochemical screening of serum and urine
6 to 15 years
Every 1 to 2 years
Whole-body MRI with consideration of the head and neck
6 to 15 years
Every 2 to 3 years
Renal
Abdominal MRI (preferred) or CT, with and without IV contrast1
12 years
Every 4 to 6 years
Gastrointestinal Stromal Tumors (GIST)
Complete blood count and attention to symptoms such as gastric bleeding, obstruction, abdominal pain, nausea, etc.4
6 to 8 years
Annually
SDHC
Associated Syndrome
Hereditary Pheochromocytoma-Paraganglioma syndrome (Hereditary PPGL syndrome)
Core Cancer Risk(s)
Paragangliomas and Pheochromocytomas (that often secrete hormones that cause high blood pressure, rapid and/or abnormal heartbeat, headaches, sweating, nausea, fatigue, and anxiety). Elevated Risk for renal cancer and gastrointestinal stromal tumors
Inheritance
Autosomal Dominant
Prevalence
Unknown