Abstract
Purpose
In most clinical series of Cushing’s disease (CD), over 80% of patients are women, many of whom are of reproductive age. The year following pregnancy may be a common time to develop CD. We sought to establish the incidence of CD onset associated with pregnancy.
Methods
A retrospective review was conducted for patients with biochemically-proven CD. Demographics, clinical history, biochemistry, imaging, pathology, and outcomes were reviewed. Pregnancy-associated CD was defined as symptom onset within 1 year of childbirth.
Results
Over 10 years, 77 patients including 64 women (84%), with CD underwent endonasal surgery. Of the 64 women, 64% were of reproductive age (15–45 years) at the time of diagnosis, and 11 (27%) met criteria for pregnancy-associated CD. Of these 11 women, median number of pregnancies prior to onset of CD was 2 (range 1–4) compared to zero (range 0–7) for 30 other women with CD onset during reproductive age (p = 0.0024). With an average follow-up of 47 ± 34 months, sustained surgical remission rates for woman with pregnancy-associated CD, other women of reproductive age, and women not of reproductive age were 91%, 80% and 83%, respectively. The average lag-time from symptom onset to diagnosis for women with pregnancy-associated CD was 4 ± 2 years.
Conclusions
In this exploratory study, over one quarter of women of reproductive age with CD appeared to have symptomatic disease onset within 1 year of childbirth. This relatively high rate of pregnancy-associated CD suggests a possible causal relationship related to the stress of pregnancy and pituitary corticotroph hyperactivity in the peripartum period. This possible association suggests a heightened degree of clinical suspicion and biochemical testing for CD may be warranted after childbirth. Further study of this possible link between pregnancy and CD is warranted.
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Abbreviations
- ACTH:
-
Adrenocorticotrophic hormone
- CD:
-
Cushing’s disease
- CRH:
-
Corticotroph releasing hormone
- DNA:
-
Deoxyribonucleic acid
- HPA:
-
Hypothalamic–pituitary–adrenal
- IPSS:
-
Inferior petrosal sinus sampling
- MRI:
-
Magnetic resonance imaging
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Acknowledgements
We would like to thank the John Wayne Cancer Institute at Providence Saint John’s Health Center in Santa Monica, CA for their ongoing support of our research.
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Palejwala, S.K., Conger, A.R., Eisenberg, A.A. et al. Pregnancy-associated Cushing’s disease? An exploratory retrospective study. Pituitary 21, 584–592 (2018). https://doi.org/10.1007/s11102-018-0910-6
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DOI: https://doi.org/10.1007/s11102-018-0910-6