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Published on: January 7, 2014
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Ewing's sarcoma in pregnancy
Aishwarya Shukla1, Jyothi G S2, Shruthi Palakode1
1Obstetrics and Gynecology, MS Ramaiah Medical College, Bangalore, Karnataka, India.
BMJ Case Reports
|May 11, 2025
Summary
A woman with Ewing's sarcoma conceived spontaneously and underwent chemotherapy and radiotherapy without knowing she was pregnant. The pregnancy was terminated due to potential fetal harm from the cytotoxic treatments.
Area of Science:
- Oncology
- Reproductive Medicine
- Medical Imaging
Background:
- Ewing's sarcoma is a rare bone and soft tissue cancer.
- Chemotherapy and radiotherapy are standard treatments for Ewing's sarcoma.
- Pregnancy during cancer treatment presents complex ethical and medical challenges.
Purpose of the Study:
- To report a case of a pregnant patient with extraosseous Ewing's sarcoma undergoing concurrent chemoradiation.
- To highlight the potential risks of teratogenic exposures during early pregnancy.
- To emphasize the need for a multidisciplinary approach in managing cancer during pregnancy.
Main Methods:
- Case report of a woman diagnosed with extraosseous Ewing's sarcoma.
- Concurrent treatment with chemotherapy and radiotherapy.
- Ultrasonographic examination to confirm intrauterine gestation.
- Termination of pregnancy due to cytotoxic effects.
Main Results:
- A spontaneous intrauterine pregnancy was detected during workup for Ewing's sarcoma.
- The patient received chemotherapy and radiotherapy unaware of her pregnancy.
- The pregnancy was terminated due to concerns about fetal exposure to cytotoxic agents.
Conclusions:
- Concurrent chemoradiotherapy for Ewing's sarcoma poses significant risks to an early intrauterine pregnancy.
- Early detection of pregnancy is crucial in women of reproductive age undergoing cancer treatment.
- A multidisciplinary team approach is essential for optimal management of pregnant cancer patients.

