Dr. Brendan C. Stack Jr., a Professor of Otolaryngology-Head and Neck Surgery, was an invited lecturer and panelist at the Harvard Medical School continuing medical education course, “Surgery for the Thyroid and Parathyroid Glands,” the preeminent international course in the field, in Boston earlier this month. He presented “A Review of the AHNS/BAETS Revision Parathyroid Guidelines,” which was published in the journal Head and Neck in August with Dr. Stack as the lead author.