B Coulier1, G C Colin2, G Beniuga3. 1. Department of Diagnostic Radiology, Clinique St Luc, 5004 Bouge (Namur), Belgium. Electronic address: bcoulier.md@gmail.com. 2. Department of Diagnostic Radiology, Clinique St Luc, 5004 Bouge (Namur), Belgium. 3. Institute of Pathology and Genetics, 6280 Loverval, Belgium.