ecancermedicalscience

Case Report

Tamoxifen exposure in pregnancy after synchronous breast and thyroid cancer

15 Oct 2020
Abeid M Athman Omar, Amany Abdel-Bary, Rasha O Elsaka

Thyroid and breast cancer are the most common cancers among young women, which are either synchronous or metachronous, but the association is yet to be elucidated. With the improvement of diagnosis and treatment, there is an increase in breast and thyroid cancer survivors. Hence, attention is shifting towards survivorship. Here, we report the case of a young lady diagnosed with synchronous thyroid and breast cancer who unexpectedly became pregnant during tamoxifen treatment. After a multidisciplinary discussion, endocrine therapy was interrupted and she delivered a healthy baby at term. In conclusion, oncologists should be aware of breast and thyroid cancer co-occurrence and examinations should be conducted together in diagnosis and follow-up. Also, pregnancy is feasible and can be considered after synchronous breast and thyroid cancer diagnosis. Physicians need to emphasise the use of barrier contraceptives to patients undergoing endocrine therapy. However, the optimum timing for pregnancy after breast cancer and the safety of endocrine therapy interruption in hormonal-positive patients should be discussed and managed by a multidisciplinary team.

Related Articles

Omolara Aminat Fatiregun, Yetunde Kuyinu, Adewunmi Alabi, Anthonia Sowunmi, Okunuga Ndidi, Popoola O Abiodun, Temitope Olatunji-Agunbiade, Oyekan Ademola, Nnodimele Onuigbo Atulomah, Awotayo Olajumoke
Anass Baladi, Mohammed El Fadli, Hassan Abdelilah Tafenzi, Kawtar El Bouaouidi, Nada Benhima, Leila Afani, Ismail Essâdi, Rhizlane Belbaraka
Francis Okongo, Catherine Amuge, Alfred Jatho, Nixon Niyonzima, David Martin Ogwang, Jackson Orem
Carlos A. Castaneda, Miluska Castillo, Joselyn Sanchez, Luis Bernabe, Katherin Tello, Nancy Suarez, Raul Alatrista, Ximena Quiroz-Gil, Alexandra Granda-Oblitas, Javier Enciso, Nathaly Enciso, Henry L Gomez