“…Whether manifested as fasting hyperglycemia (4, 5, 9, 10, 13,18, 20, 24, 28, 32, 34-37, 50-53, 65, 68, 72-74, 77, 78, 81, 82, 85, 88, 90, 92, 95, 108) or as "chemical" diabetes after glucose administration (3,7,12,15,16,18,19,53,65,66,73,76,79,80,84,86,89,91,94,100,107,110), glucose intolerance is the predominate clinical sign of the glucagonoma syndrome (Table 5). Fasting hyperglycemia occurs in the majority (67%) of such patients.…”