Dupuytren’s is one manifestation of a systemic fibrotic disorder that can also show up as Ledderhose, frozen shoulder or Peyronie’s disease. Fortunately, the majority of people affected show only one of these conditions, but many have to deal with several or all of these. This summary reviews the condition referred to as Peyronie’s disease: http://www.dupuytrenfoundation.org/DupPDFs/2009_NIDDK.pdf