Table 2. Multiple endocrine neoplasia syndrome type 1 (MEN1)-related non-endocrine tumors and their prevalence (40 years).

Tumor type	Tumor subtype	Prevalence in MEN1 syndrome
Cutaneous tumors	Lipomas	30%
	Facial angiofibromas	85%
	Collagenomas	70%
Central nervous system	Meningiomas	5%
	Ependymomas	1%
Other	Leyomiomas	10%