Disseminated CD8-positive, CD30-positive cutaneous lymphoproliferative eruption with overlapping features of mycosis fungoides and primary cutaneous anaplastic large cell lymphoma following remote solitary lesional presentation

Abstract

CD8-positive, CD30-positive cutaneous lymphoproliferative disorders comprise a rare subset of T-cell lymphoproliferative conditions, including variants of primary cutaneous anaplastic large cell lymphoma, mycosis fungoides, lymphomatoid papulosis type D, cutaneous gamma-delta T-cell lymphoma, and cutaneous peripheral T-cell lymphoma. These entities share overlapping clinical, histopathologic, and immunophenotypic features, presenting both a clinical and pathological diagnostic challenge. Presented here is a 73-year-old man with a disseminated, indolent CD30+, CD8+ cutaneous lymphoproliferative disorder with overlapping clinical and histopathological features of both mycosis fungoides and primary cutaneous anaplastic large cell lymphoma, as well as features of lymphomatoid papulosis. To our knowledge, this is the first case of a generalized CD8+, CD30+ eruption with features of both mycosis fungoides and primary cutaneous anaplastic large cell lymphoma arising following an episode of solitary primary cutaneous CD8-positive anaplastic large cell lymphoma.

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