28/10/2026
The “swallow tail sign”: an MRI biomarker for Parkinson’s disease? 🧠
🔎 Loss of the normal dorsolateral nigral hyperintensity on susceptibility-sensitive magnetic resonance imaging may support the diagnosis of Parkinson’s disease.
🎯 Standardised interpretation and integration with other imaging biomarkers are key to its role in differentiating parkinsonian syndromes.
https://link.springer.com/article/10.1186/s13244-026-02401-6 (Zhixuan Li et al.)