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Primary malignant melanoma of the esophagus.

We report the case of a 74-year-old woman who was admitted to hospital with progressive dysphagia. Further examinations revealed a tumor in the esophagus in which the macroscopic aspect and the histological work-up showed a primary malignant melanoma. The histogenesis of primary malignant melanoma in the esophagus is discussed, and a short review of the literature presented.