To describe the use of recombinant human thyrotropin (thyroid-stimulating hormone) (rhTSH) to assist in radioiodine therapy in a patient with thyroid carcinoma who was unable to produce sufficient endogenous thyrotropin when hypothyroid and to review the related literature.
Endocrinology Service, Memorial Hospital for Cancer and Allied Diseases, Memorial Sloan-Kettering Cancer Center, 1275 York Ave, New York, NY 10021, USA.