[A case report of the asymptomatic islet cell carcinoma].
D018273:Carcinoma, Islet Cell / Q000000981:diagnostic imaging* / Q000473:pathology; D005260:Female; D006801:Humans; D008875:Middle Aged; D009361:Neoplasm Invasiveness; D010190:Pancreatic Neoplasms / Q000000981:diagnostic imaging* / Q000473:pathology; D014463:Ultrasonography