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Table 2 Classification of MEN 2 and occurrence of MTC, and associated disorders (modified by Raue F et al, 2010

From: Multiple endocrine neoplasias type 2B and RET proto-oncogene

Subtype MTC (%) Pheo (%) HPT (%) Associated Diseases
MEN 2A 100 50 25 Cutaneus lichen amyloidosis, hirschsprung's Disease
MEN 2B 100 50 - Ganglioneuromatosis, marphanoid habitus, megacolon
FMTC 95 - - Rare associated disorders