Percutaneous Needle Fasciotomy +/- Corticosteroid Injection for Dupuytren's Contracture

Sufficient correction of metacarpophalangeal (MCP) joint during the PNF treatment, defined as \<20° passive extension deficit (PED), is a prerequisite for inclusion. Inclusion Criteria: * Dupuytren contracture (DC) of ≥ 20° PED in MCP joint measured with a goniometer * DC of either II-V finger * Well-defined/palpable cord Exclusion Criteria: * Legally incapacitated * Previous study inclusion with another finger ray * Isolated proximal interphalangeal (PIP) or distal interphalangeal (DIP) joint contracture, defined as MCP joint contracture \< 20° PED regardless of the deficit in the PIP or DIP joint * Previous hand surgery of the affected finger for any reason * Known allergy to the study medication * Anticoagulant therapy (Acetylsalicylic acid is NOT an exclusion criterion) * Pregnant or lactation * Insulin dependent diabetes mellitus * Ongoing systemic infection or local infection at the site of the procedure * Rheumatoid arthritis * Amyloidosis or mucopolysaccharidosis * Unable to communicate, cooperate or participate in follow-up