[Diagnostic and therapeutic difficulties in a patient with primary malignant melanoma of the esophagus--case report].

We are presenting a case report of 57-year-old patient operated on due to primary malignant melanoma of the esophagus. Melanoma was misdiagnosed in biopsy taken during endoscopy. Final precise establishing the character of the lesion was able during histopathological examination of the specimen obtained during surgery. The outcome of the treatment was poor--survival time did not exceed 14 months. Patient died because of pulmonary metastases.