Cynthia F. Bowman

At a Glance Cancer arising from the thyroid gland’s unique cells (i.e., follicular or para-follicular C-cells) comprises less than 2% of all cancers, but accounts for 32,000-37,000 annual new cases of cancer in the United States and 90% of all endocrine cancers. It occurs predominantly in women (3:1) and appears in this incidence because of…

At a Glance Pheochromocytomas (PCC) are rare, potentially life threatening catecholamine secreting tumors of chromaffin cells, most often arising from the adrenal medulla (90%) but also sometimes from the extra-adrenal sympathochromaffin cells (10-15%; called paragangliomas in those sites; most often in the abdomen). Most PCCs (90%) are benign, but up to 10% may be malignant,…