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Am J Dermatopathol. 2012 Oct;34(7):762-5.

Lymphomatoid papulosis type D: a newly described variant easily confused with cutaneous aggressive CD8-positive cytotoxic T-cell lymphoma.

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  • 1Dermatopathology Department, St. John's Institute of Dermatology, London, UK.


Lymphomatoid papulosis (LyP) is defined as a chronic recurrent skin disease characterized by waxing and waning papules and nodules with histologic features of a CD30-positive T-cell lymphoma. Three histological subtypes (A, B, and C) were already recognized, and only more recently, a further variant simulating histologically an aggressive epidermotropic CD8-positive T-cell lymphoma was described, which was named LyP type D by the authors. We report the case of a 38-year-old woman presenting with a 1-year history of recurrent self-healing papules and nodules, predominantly affecting her upper and lower limbs but also the face, including the lower lip, with no associated systemic symptoms. A biopsy from 1 lesion revealed an infiltrate of atypical lymphoid cells extending throughout the dermis with massive epidermotropism displaying a pagetoid reticulosis-like pattern and a CD8(+)CD30(+) cytotoxic T-cell phenotype. The clinicopathologic features conformed to the newly described type D variant of LyP. Diagnostic studies did not reveal any systemic involvement, and the patient remains otherwise well with no active treatment. In the present report, we discuss the need for clinicopathologic correlation to establish an accurate diagnosis and its importance for an adequate management of these patients.

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