Histologic Features and Clinical Outcomes of Lean Metabolic Dysfunction–Associated Steatotic Liver Disease
JAMA 10.1001/jama.2026.18491September 30, 2026 at 11:00 AM EDT
Lean MASLD represents a distinct phenotype with milder histologic disease but similar clinical outcomes compared with overweight/obese MASLD. Fibrosis severity, rather than body composition, was associated with prognosis and LSM was reliable in lean individuals.
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