Multiple Endocrine Neoplasia, Type Iia, also known as multiple endocrine neoplasia type 2a, is related to adrenal carcinoma and thyroid carcinoma, familial medullary. An important gene associated with Multiple Endocrine Neoplasia, Type Iia is RET (Ret Proto-Oncogene), and among its related pathways/superpathways are Signal Transduction and Neuroscience. The drugs Sorafenib and Protein Kinase Inhibitors have been mentioned in the context of this disorder. Affiliated tissues include thyroid and tongue, and related phenotypes are medullary thyroid carcinoma and hyperhidrosis