Malignant melanoma constitutes approximately 1% of all cancer (1,2). As the biologic behavior seems to be unpredictable, variation in the metastatic spread are not infrequently met. The common sites of metastasis are lymph nodes, lung, liver, brain, bone, heart, adrenal glands, and gastrointestinal tract in descending order (2). However multiple organ involvement is a common feature at the advanced stage. A 38-year-old male had developed pancreatic pseudocyst during the course of malignant melanoma at right sole. It was proven to be from matastatic malignant melanoma.