Radiotherapy is capable of stopping the growth of Dupuytren nodules either permanently or for a long time. Occasionally, small nodules will even shrink or disappear. Radiotherapy is much less effective on cords and cannot make an already bent finger straight again. Below is a graph from a presentation by Seegenschmiedt et al. at the ASSH meeting 2006 illustrating how radiation therapy delays disease progression and in favorable cases can render surgery unneccessary. Blue lines indicate the disease progression after radiotherapy, the dotted line indicates a potential healing effect in early stage treatment (for details please refer to the