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Article
July 1993

Histologic Comparison of Autologous Graft-vs-Host Reaction and Cutaneous Eruption of Lymphocyte Recovery

Author Affiliations

From the Department of Dermatology, Division of Dermatopathology, The Johns Hopkins Medical Institutions, Baltimore, Md.

Arch Dermatol. 1993;129(7):855-858. doi:10.1001/archderm.1993.01680280043007
Abstract

• Background and Design.—  The cutaneous eruptions due to allogeneic graft-vs-host disease, autologous graft-vs-host disease, and lymphocyte recovery occur in the setting of peripheral leukocyte reconstitution after marrow aplasia. Since the eruptions of lymphocyte recovery (ELR) and autologous graft-vs-host disease develop in the presence of histocompatibility, we question whether reliable histologic differentiation is possible. To this end, we performed a retrospective, blind analysis of 38 skin biopsy specimens obtained from patients who received autologous marrow transplants or intensive chemotherapy alone for various malignant neoplasms.

Results.—  In 31% of the cases, we were unable to distinguish between an ELR and a grade 2 graft-vs-host reaction. In 40% of the ELR specimens, a significant number of dyskeratotic keratinocytes were present, leading to the false interpretation of a grade 2 graft-vs-host reaction. Satellite cell necrosis was observed in both groups. The patterns of dyskeratotic keratinocytes were similar; one ELR specimen displayed prominent follicular involvement. Most ELR specimens were consistent with grade 1 graft-vs-host reaction changes.

Conclusions.—  These findings indicate that the presence of dyskeratotic keratinocytes is not specific for a graft-vs-host reaction and that cutaneous eruptions after autologous marrow transplantation are best considered an ELR.(Arch Dermatol. 1993;129:855-858)

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