Reversible hemianopia and complex visual hallucinations-A case of non-ketotic hyperglycemia
Abstract
A 65-year-old hypertensive and diabetic presented to the Emergency Department with a sudden onset of decreased vision, altered behavior, and elevated blood sugars without ketones, indicating non-ketotic hyperglycemia (NKH).Initial brain MRI was normal, but the patient later developed continuous motor and complex visual epileptic hallucinations along with left homonymous hemianopia.A repeat MRI [Figure 1a-d] showed subcortical T2, flair hypointense signals in the right striate and extrastriate occipital cortex, indicative of NKH.This was the reason for his visual hallucinations.Glycemic control and hydration led to normalized sugars and
Fields of Study & Subjects
Neurological and metabolic disorders
Hallucinations in medical conditions
Neurological Complications and Syndromes
Publication details
- Journal / source
- Annals of the National Academy of Medical Sciences (India)
- Volume
- 62
- Pages
- 438–438
- Publication date
- 7 February 2026
- Language
- EN