Determining the Association Between Clear Cell Acanthoma and Psoriasis: A Retrospective Case-Control Study.

Given clear cell acanthoma's overlapping similarities with psoriasis, we compared the presence of psoriasis and its known cardiovascular comorbidities in patients with clear cell acanthoma with patients with a control benign skin lesion (seborrheic keratosis). We found no significant relationship between clear cell acanthoma and psoriasis.