Medicine Disorders of Parathyroid Gland 19cf8638 Chromosome involved in pathogenesis of MEN 4? A 10 B 11 C 12 D 13 High-Yield Explanation Chromosome aberrations in MEN MEN 1 11q13 MEN 2 10 ( RET proto-oncogene) MEN 3 10 ( RET Proto-oncogene) MEN 4 12p13