Skip to main content
. Author manuscript; available in PMC: 2012 Oct 12.
Published in final edited form as: Surg Clin North Am. 2009 Oct;89(5):1105–1121. doi: 10.1016/j.suc.2009.06.009

Fig. 1.

Fig. 1

Forty-eight hour fast. This patient has elevated serum insulin levels (>10 μU/mL) despite hypoglycemia indicating an insulinoma. (Courtesy of National Institutes of Health, Bethesda, MD).