Korean J Dermatol.
2003 May;41(5):666-669.
A Case of Primary Cutaneous CD30+/ALK- Anaplastic Large Cell Lymphoma
- Affiliations
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- 1Department of Dermatology College of Medicine, Chungnam National University, Daejeon, Korea. seokb@cnu.ac.kr
- 2Department of Dermatology College of Medicine, Dankook University, Cheonan, Korea.
- 3Department of Dermatology College of Medicine, Yan Bian University, Yan Bian, China.
Abstract
- Primary cutaneous CD30(Ki-1) positive anaplastic large cell lymphoma(ALCL) is a rare subset of cutaneous lymphoma, with a much better prognosis. ALCL is a heterogeneous process that may have a T-cell, B-cell, or indeterminant(null) phenotype and which may or may not express the anaplastic lymphoma kinase(ALK) oncoprotein. We report a case of ALCL in a 72 year old man. About 4 months ago, multiple erythematous firm ulcerative mass and satellite nodules developed on the right lower leg. The skin lesions rapidly increased in number and size. Some lesions became painful and centrally ulcered. The histologic findings showed a diffuse infiltrate of large lymphocytes with large nuclei, prominent and multiple nucleoli, and ample cytoplasm. Immunohistochemical stainings for CD30, CD5 were positive but stainings for LCA, CD3, CD45RO, CD20, cytokeratin, EMA, and ALK were negative. Therefore, we diagnosed our case as CD 30+/ALK- ALCL.
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