[Amyloid of islets of Langerhans and its relation to diabetes mellitus (author's transl)].

After grading into 4 groups of severity the extent of amyloidosis of the islets of Langerhans was investigated in 60 patients with diabetes and in 60 without. Distinction of 3 stages of diabetes according to clinical parameters showed clear connections between the stage of diabetes and the extent of amyloidosis. Development of amyloid locally may be evidence for progressive B cell insufficiency in diabetes of adults.