Dear SPM list, here is a response from an engeneer that could interest some of you regarding the question I had : "Hello, Generally the order of the cuts in the field is incremented InstanceNumber. This number must be unique in the series belongs to the image. Also, the unique identifier of the image / body (SOPInstanceUID) consists of a sequence of numbers separated by a period (.) Should see its latest digital component incremented in the order of image generation, and therefore, in the order of the cuts. It may be that some manufacturers use proprietary fields in order to manage the order of the sections specifically." Best regards, Harold Mouras 2012/1/23 Kathy Pearson <[log in to unmask]> > If your scanner is Siemens, then you may be able to determine the slice > order from the DICOM header field: > Private_0029_1020 > sSliceArray.ucMode > '0x1' = Ascending > '0x2' = Descending > '0x4' = Interleaved > > Kathy Pearson > > > > -- Harold Mouras Maître de Conférences en Neuroscience Editeur "Socioaffective Neuroscience & Psychology<http://www.socioaffectiveneuroscipsychol.net> " ------------------------------------------------------------------------- Laboratoire de Neurosciences Fonctionnelles et Pathologies Faculté de médecine 3, rue des Louvels 80036 Amiens, France Téléphone: +33 9 50 48 30 10 [log in to unmask] In french: Website personnal page<http://sites.google.com/site/lnfpamienssite/the-team/chercheurs---enseignants-chercheurs/harold-mouras>/ Lab page (Amiens) <http://sites.google.com/site/lnfpamienssite/> / Lab page (Lille) <http://lnfp.dr18.cnrs.fr/> In english: Website personnal page<http://translate.google.fr/translate?hl=fr&sl=fr&tl=en&u=http%3A%2F%2Fsites.google.com%2Fsite%2Flnfpamienssite%2Fthe-team%2Fchercheurs---enseignants-chercheurs%2Fharold-mouras>/ Lab page (Amiens)<http://translate.google.fr/translate?hl=fr&sl=fr&tl=en&u=http%3A%2F%2Fsites.google.com%2Fsite%2Flnfpamienssite%2F>/ Lab page (Lille)<http://translate.google.fr/translate?hl=fr&sl=fr&tl=en&u=http%3A%2F%2Flnfp.dr18.cnrs.fr%2F> -------------------------------------------------------------------------