RT Journal T1 SPontaneous pancreatic hypoglycemia JF Journal of the American Medical Association JO Journal of the American Medical Association YR 1939 FD December 9 VO 113 IS 24 SP 2152 OP 2153 DO 10.1001/jama.1939.02800490048013 UL http://dx.doi.org/10.1001/jama.1939.02800490048013 AB In The Journal, ten years ago, appeared a report by Howland, Campbell, Maltby and Robinson,1 of Toronto, describing a case of dysinsulinism of six years' duration in which there were attacks of coma and convulsions. These attacks were found to be caused by low blood sugar levels and could be warded off by the administration of food. The case was diagnosed as an islet cell tumor of the pancreas; Roscoe R. Graham found and removed a tumor which the authors considered to be a slow growing carcinoma of the islands of Langerhans and from which insulin could be recovered. The patient made a complete recovery. A more recent report by Campbell, Graham and Robinson,2 of the same clinic, states that the patient has now been well and free from any disability related to the uncontrolled overproduction of insulin for more than ten years.The protean manifestations of the