Clinical and experimental dermatology
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The neutrophilic dermatoses are significantly associated with myeloid malignancies. We now describe the clinical and histological features of 11 patients with these disorders, namely Sweet's syndrome in three cases, pyoderma gangrenosum in two, and neutrophilic eccrine hidradenitis in one; there were also five others which could not be categorised as recognised entities. Our observations, as well as those from a review of the literature, support the hypothesis that in the neutrophilic dermatoses associated with myeloid malignancy, a common mechanism may be involved.