Term Name:	multiple endocrine neoplasia type 4
Synonyms:	Multiple Endocrine Neoplasia, Type IV
Definition:	A multiple endocrine neoplasia that is characterized by hyperparathyroidism and multiple endocrine tumors and that has_material_basis_in mutations in the CDKN1B gene on chromosome 12p13 resulting in a reduction in the amount of functional p27 tumor suppressor protein which allows cells to grow and divide unchecked.
Ontology:	Human Disease [DOID:0080137]   ( DOID:0080137 )