Coexistent thyroid cancer and pregnancy.


OBJECTIVE A study was performed to determine the appropriate time for the initiation of therapy for thyroid carcinoma first diagnosed during pregnancy. DATA SOURCES Material on thyroid cancer cases was obtained from the New Mexico Tumor Registry, Albuquerque, a computerized population-based registry for the state of New Mexico, and the Indian reservation facilities in New Mexico and Arizona (a Surveillance, Epidemiology, and End Results Registry funded by the National Cancer Institute, Bethesda, Md) for the period 1970 to 1991. STUDY SELECTION All cases of thyroid cancer, except medullary and anaplastic, in patients aged 18 to 46 years were evaluated. Subgroups were established for (1) all women who were noted to be pregnant at the time of their initial diagnosis and (2) all women with thyroid cancer in the 18- to 46-year-old age group. DATA EXTRACTION The information was extracted by a certified tumor registrar for age, sex, thyroid cancer, specific type of thyroid cancer, period, race, year of diagnosis, accession date, last date seen, tumor status, treatment, and patient status. DATA SYNTHESIS There have been no deaths in the pregnant group with a follow-up ranging from 0.5 to 20 years. There was no statistically significant difference in observed survival rates between the pregnant group and 465 women, aged 18 to 46 years, with comparable thyroid cancers or in the death rates of women aged 18 to 67 years in the general population. CONCLUSIONS Surgical treatment for patients with well-differentiated thyroid cancer diagnosed during pregnancy can be delayed until after parturition.

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@article{Herzon1994CoexistentTC, title={Coexistent thyroid cancer and pregnancy.}, author={Fred S Herzon and Danielle M Morris and M N Segal and G{\'e}raldine Rauch and Trish Parnell}, journal={Archives of otolaryngology--head & neck surgery}, year={1994}, volume={120 11}, pages={1191-3} }