[Unique duodenal metastasis of malignant melanoma: diagnostic-therapeutic observations on a case].

The Authors report a case of solitary metastasis from malignant melanoma (unknown primary site) and analyze the most striking statistical, anatomo-pathologic and diagnostic problems related to this pathology. They also recommend a wider use of those methods which allow an early diagnosis and confirm the validity of those surgical measures in order to limit the most serious complications of this condition. Finally they stress the most recent collateral and/or alternative oncologic therapies available to improve the quality of life and increase patients survival.