Minimally differentiated acute myeloid leukaemia revealed by specific cutaneous lesions

R. Benucci, G. Annessi, S. Signoretti, R. Simoni

Research output: Contribution to journalArticlepeer-review


Minimally differentiated acute myeloid leukaemia (AML-MO) is a poorly differentiated type of acute myeloid leukaemia. its myeloid differentiation can only be demonstrated by the immunohistochemical or ultrastructural finding of cytoplasmic myeloperoxidase in bone marrow blasts and/or by the immunohistochemical expression of at least one lineage-specific myeloid antigen, with no reactivity for lymphoid antigens. We describe a man with a cutaneous nodular eruption that represented the first clinical manifestation of AML-MO. Histological examination showed extensive proliferation of blasts with scant basophilic cytoplasm. Immunohistochemically, these expressed neither myeloid nor lymphoid-specific antigens, whereas they were focally positive for CD45. The diagnosis of AML-MO was confirmed by immunophenotypic analysis of a bone marrow smear. A complete remission was achieved following parenteral steroid therapy. The disease relapsed some months later, and the patient died within a few weeks.

Original languageEnglish
Pages (from-to)119-123
Number of pages5
JournalBritish Journal of Dermatology
Issue number1
Publication statusPublished - 1996

ASJC Scopus subject areas

  • Dermatology


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