Journal of the American Academy of Dermatology
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J. Am. Acad. Dermatol. · Feb 1989
Review Case ReportsImpetigo herpetiformis: a variant of pustular psoriasis or a separate entity?
Impetigo herpetiformis is a rare pustular disorder that primarily affects pregnant women. Clinically and histologically it bears some resemblance to pustular psoriasis. This similarity has led authors to name the disease "the pustular psoriasis of pregnancy." A case is described that demonstrates the characteristic features of impetigo herpetiformis, as compared with pustular psoriasis, and emphasizes the need to preserve it as a separate entity.
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Once encountered, generalized melanosis as a consequence of disseminated melanoma is not easily forgotten. Cases in the literature usually have resulted from primary cutaneous melanoma. A case of generalized melanosis caused by an occult primary melanoma is reported in a patient who originally complained of increased pigmentation. Findings of light microscopic studies of involved skin, pathogenesis of generalized melanosis, and possible sites of origin of the primary neoplasm are discussed.