1. A desmoid 2012-06048 DT

2. April 2012 2010-15313 TM 29 year-old woman No past history Right parietal mass increasing in size for 5 months 2012-06048 DT

3. April 2012 2010-15313 TM 2012-06048 DT

4. Percutaneous needle core biopsy / sonography Desmoïd tumor Somatic mutation CTNNB1 T 41 A Beta-Catenin

6. Surgery? Wait and see? Medical treatment?

8. September 2012 Came in clinic with 2 months delay… Pregnancy: 10 weeks Imaging was not done Clinically: 5 cm mass (stable) Follow-up / sonography in 3 months 2010-15313 TM 2012-06048 DT

9. January 2013 Clinically: 8 cm mass April 2013 Gave birth to a healthy baby Clinically: ± 10 cm mass MRI end of April 2013

10. April 2013

11. Surgery? Wait and see? Medical treatment?

12. April 2013November 2013 May 2014 2010-15313 TM 2012-06048 DT

13. Group C: DF previously diagnosed and still in situ at the time of pregnancy (including previous partial resection)