Dupuytren's Disease

Hand & Wrist

Overview

Dupuytren's disease is a fibroproliferative disorder of the palmar and digital fascia producing progressive nodule formation, cord development, and flexion contracture. Prevalence rises with age, reaching ~20% in white European men over 65 (the "Vikings' disease" pattern). It is bilateral in ~50% of cases, more common and more aggressive in men, and runs in families. Most cases are slowly progressive over years; a minority show aggressive Dupuytren's diathesis with early onset, rapid progression, bilateral disease, and ectopic involvement.

Anatomy & Pathophysiology

The palmar aponeurosis is a fan-shaped fibrous structure investing the palm, with longitudinal pretendinous bands extending into each finger and continuous with the digital fascia. In Dupuytren's, these bands transform into pathological cords; the ring and little fingers are most often affected because their pretendinous bands are most prominent.

Pathophysiology is myofibroblast proliferation driven by TGF-beta signalling within the palmar fascia, with three histological stages: proliferative (cellular nodules with high mitotic activity), involutional (myofibroblast contraction and dense type III collagen deposition), and residual (acellular, type I collagen-dominant cords). The disease passes from nodule (palmar, painless, fixed to skin) to cord (longitudinal, contractile) to contracture (MCP and PIP joint flexion). Genetic associations: Northern European ancestry, WNT signalling pathway polymorphisms. Risk factors: male sex, age over 50, family history, diabetes, alcohol, smoking, and antiepileptic use. Trauma is a debated trigger.

Clinical Pearl

Dupuytren's diathesis: early-onset (under 50), bilateral disease, strong family history, and ectopic involvement (Ledderhose plantar disease, Garrod's knuckle pads, Peyronie's penile disease). Predicts aggressive recurrence after any intervention. Counsel patients accordingly before treatment.

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