A case of diabetic coma with a blood sugar of 900 mg. per hundred cubic centimeters of blood was reported recently by Gray and Sansum.1 Attention was drawn to the relatively few cases that have been reported in which recovery followed such a marked hyperglycemia. They were able to find only three cases besides their own. There can be no doubt that such cases are rare, but we feel that if all the unreported cases were collected the number would be somewhat increased. We here report three cases that were successfully treated in the metabolic ward of the Philadelphia General Hospital during the past five years.
—M. M., a woman, aged 58, white, was admitted in coma, with no history of diabetes. Members of the family stated that in the past six months she had lost 40 pounds (18 Kg.), in spite of a voracious appetite, and