恶性黑色素瘤是一种少见而恶性程度又较高的黑色素细胞肿瘤,多发生于含黑色素细胞较多的组织皮肤及接近皮肤的粘膜,如肛管,还可发生于眼脉络膜及软脑膜处。但是恶性黑色素瘤发生于内脏实质脏器者极为罕见。现将我院经超声和ＣＴ检查,并由病理确诊的1例胰腺恶性黑色素瘤报?.. Malignant melanoma is a rare and highly malignant melanoma tumor that occurs in the tissues that contain more melanocytes and the mucous membranes that are close to the skin, such as the anal canal, and can also occur at the choroid and pia mater of the eye. However, it is extremely rare that malignant melanoma occurs in the visceral parenchyma. We are now undergoing ultrasound and CT examinations in our hospital and reported by pathological diagnosis of 1 case of malignant melanoma of the pancreas..