Dept of Obstetrics and Gynecology, Hôpital Iris Sud, sîte Ixelles, 63 rue J. Paquot 1050 Bruxelles Belgium, tel: 32 2 641 85 35 Fax: 32 2 641 85 36

This is a lumbosacral spina bifida with meningocele

17th week examination:

Banana sign

Sagittal view of lumbosacral spina bifida

Lemon sign and hydrocephalus

Lumbosacral meningocele sagittal view

Bilateral club foot

29th week examination:

3D rendering: large soft tissue defect of the lower back (meningocele is not visible)

Coronal view of lumbosacral spina bifida

3D surfacing of leg with club foot deformity

3D X-ray mode, bone defect of the spina bifida coronal view

Spectacular enlargement of the meningocele between 17th and 29th week