Case 27-2026: A 4-Year-Old Boy with Fatigue, Imbalance, and Frequent Falls

The provided article text is too brief, containing only the title and publication details (New England Journal of Medicine, Volume 395, Issue 12, Pages 1219-1227, September 24, 2026). It does not contain enough factual information about the case itself to create a 6-8 sentence summary regarding the symptoms, diagnosis, treatment, or prognosis of the 4-year-old boy experiencing fatigue, imbalance, and frequent falls. Therefore, a detailed summary cannot be generated as requested.