Endocrine pathology is the subspecialty of surgical pathology which deals with the diagnosis and characterization of neoplastic and non-neoplastic diseases of organs of the endocrine system, including the thyroid, parathyroids, pituitary, endocrine pancreas, and adrenal glands. Endocrine pathology is the subspecialty of surgical pathology which deals with the diagnosis and characterization of neoplastic and non-neoplastic diseases of organs of the endocrine system, including the thyroid, parathyroids, pituitary, endocrine pancreas, and adrenal glands.