Hypoglycemic Encephalopathy Caused by Insulinoma With Reversible High Signals in the White Matter on Diffusion‐Weighted MRI: A Case Report. - Shiratori, Taira; Osawa, Iichiro; Watanabe, Wataru; Nagawa, Keita; Matsuura, Koichiro; Kakemoto, Shinji; Higashi, Morihiro; Kozawa, Eito; Kaushik, Shashank (Case Reports in Radiology, 2026)