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Arch Dermatol. 1997 Jul;133(7):873-8.

Chemotherapy-induced eccrine squamous syringometaplasia. A distinctive eruption in patients receiving hematopoietic progenitor cells.

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  • 1Department of Dermatology, Hospital Universitario de la Princesa, Madrid, Spain.



Eccrine squamous syringometaplasia (ESS) has been associated with characteristic clinical eruption in patients receiving chemotherapy. It has been suggested as a diagnostic clue in the diagnosis of chemotherapy-induced reactions vs acute graft-vs-host disease, as well as other drug reactions. We identified 10 cases of ESS in patients in whom a distinctive clinical eruption developed during or after a pretransplantation conditioning regimen with high-dose chemotherapy. A complete clinical and histologic evaluation was performed in all patients.


All patients developed erythematous and edematous plaques or confluent erythematous macular areas in the axillae and/or groin, with painful areas of well-defined erythema and edema on palms and/or soles in 5 patients. Some discrete papular lesions on the trunk or extremities could also be observed in most patients. The histologic hallmark of the eruption was ESS, with a variable degree of cornification and apoptosis. A vacuolar interface dermatitis and a variable degree of cellular atypica were also consistent findings.


Chemotherapy-induced ESS may be associated with a distinctive clinical eruption and should be considered in the differential diagnosis of erythematous eruptions during or after a pretransplantation conditioning regimen with high-dose chemotherapy.

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