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British Journal of Radiology 74 (2001),638-641 © 2001 The British Institute of Radiology

Short communication

Radiotherapy for a solitary brain metastasis during pregnancy: a method for reducing fetal dose

N Magné, MD 1 S Marcié, PhD 1 J-P Pignol, MD, PhD 1 F Casagrande, MD 2 and J-L Lagrange, MD 1

1Radiotherapy Department, Centre Antoine Lacassagne, 33 Avenue de Valombrose, 06189 Nice Cedex 2 and 2The Pediatric Unit, Hôpital de l'Archet, 151 Route de St Antoine de Ginestière, BP 3079, 06202 Nice Cedex 3, France

A patient presented during the second half of pregnancy with a solitary brain metastasis from lung cancer. This case shows that, using a new patient position, it is possible to shield the fetus efficiently. This new method consisted of whole brain irradiation with parallel pair treatment by lateral fields with the patient in a supine position with maximal neck extension. The dose to the fetus has been considerably reduced (0.3 cGy total dose) compared with previous techniques. The prescribed tumour dose was 30 Gy.






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