The interference of penicillamine with collagen and elastin cross-linking can lead to wrinkling and anetoderma-like lesions in flexural areas as well as fragility and hemorrhagic blisters in pressure areas. These changes are seen primarily in patients with Wilson’s disease or cystinuria who are on long-term therapy. This is a report of a patient with cystinuria on long-term, high-dose penicillamine who developed pseudoxanthoma-elasticum-like lesions. Coalescent yellow papules with a ‘plucked-chicken skin’ appearance were seen in the axillae and on the neck while redundant skin folds were noted in the anterior axillary line and lower buttocks. By light and electron microscopy, involved and uninvolved skin demonstrated ‘lumpy-bumpy’ dermal elastic fibers with no calcium deposition. These histologic changes are similar to those previously described in patients with penicillamine-induced skin lesions.

Keywords:
Pseudoxanthoma elasticum, Penicillamine, Elastic fibers
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© 1992 S. Karger AG, Basel
1992
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