RecruitingProcedureMolecular and Immunohistochemical Profiling of Tumors in Patients With Parathyroid TumorsThis trial studies molecular and immunohistochemical profiling of tumors in patients with parathyroid tumors. Studying molecular and immunohistochemical profiling of tumors may help doctors avoid inconsistencies in diagnosis, unnecessary or incomplete surgery, surgical morbidity, psychological stress, and inadequate follow up.