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Updated: Jul 19, 2026
![Chemical-Induced Skin Carcinogenesis Model Using Dimethylbenz[a]Anthracene and 12-O-Tetradecanoyl Phorbol-13-Acetate (DMBA-TPA)](/_next/image?url=https%3A%2F%2Fcloudfront.jove.com%2FCDNSource%2Fteasers%2F60445.jpg&w=3840&q=50)
Chemical-Induced Skin Carcinogenesis Model Using Dimethylbenz[a]Anthracene and 12-O-Tetradecanoyl Phorbol-13-Acetate (DMBA-TPA)
Published on: December 19, 2019
Cutaneous B-cell pseudolymphoma due to paraphenylenediamine
Kristina Paley1, Larisa J Geskin, Matthew J Zirwas
1University of Pittsburgh, Department of Dermatology, Pittsburgh, PA 15213, USA.
Abstract:
Lymphomatoid contact dermatitis is a form of pseudolymphoma that was first described in 1976 by Orbaneja et al. Since that initial report, a number of allergens have been reported to cause this type of pseudolymphoma. Most cases involve hyperplasia of T cells. We describe a case of cutaneous B-cell pseudolymphoma due to paraphenylenediamine. This report underscores the importance of thorough history and observation when assessing patients with suspected lymphoproliferative processes.
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