Pagetoid premalignant melanosis and melanoma: differentiation from Hutchinson's melanotic freckle.
Twenty-three examples of pagetoid premalignant melanosis have been analyzed by clinical, histologic, histochemical, and microscopic techniques. Utilizing criteria based on these findings, the pagetoid lesions can be differentiated from Hutchinson's melanotic freckel and seem to be particular types of nevocytic pigment cell tumors.
D000328:Adult; D000368:Aged; D006801:Humans; D008545:Melanoma / Q000175:diagnosis* / Q000473:pathology; D008548:Melanosis / Q000175:diagnosis* / Q000473:pathology; D008875:Middle Aged; D009508:Nevus, Pigmented / Q000175:diagnosis* / Q000473:pathology; D011230:Precancerous Conditions / Q000175:diagnosis* / Q000473:pathology; D012867:Skin / Q000473:pathology / Q000648:ultrastructure; D012878:Skin Neoplasms / Q000175:diagnosis* / Q000473:pathology