Feature Question

(OBQ14-228) A patient with Dupuytren's disease enquires about percutaneous needle fasciotomy and collagenase injections. Which of the following is true regarding these two treatment modalities? REVIEW TOPIC

1. Collagenase injections are more expensive but require fewer treatments than percutaneous needle fasciotomy to achieve the same results
2. Softening of Dupuytren cords and nodules is observed in cadaveric experiments after collagenase injections but not in a clinical setting
3. Skin tears are seen following percutaneous needle fasciotomy but not after collagenase injections
4. Pruritic rash and axillary lymphadenopathy may be observed after collagenase injections but are never seen after percutaneous needle fasciotomy
5. Total treatment time is greater for collagenase injections compared with percutaneous needle fasciotomy

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