Differences between NAFLD/MAFLD, iDILI, DIS, and alcohol associated hepatitis [7, 15, 20, 34, 38, 58–61]
Differential diagnosis | DILI [15, 59] | DIS/DISH [20, 58] | NAFLD/MAFLD [15, 34, 38] | Alcohol-associated hepatitis [61] |
---|---|---|---|---|
Clinical presentation | Acute or chronic Multiple phenotypes | Acute or chronic | Chronic | Acute or chronic |
Associated signs and symptoms | Fatigue, weakness, right upper quadrant pain, nausea, jaundice, dark urine, pruritus, fever, and rash | Fatigue, weakness, right upper quadrant pain, nausea, jaundice, dark urine, pruritus, fever, and rash AAS | Asymptomatic Asthenia, malaise, and right upper quadrant pain | Jaundice Ascites, edema, malaise, fever, hepatomegaly, confusion |
Drugs, HDS, and alcohol | More than 1,000 drugs and HDS More frequent antibiotics (amoxicillin-clavulanic acid) Check-in LiverTox (https://livertox.nih.gov/) [60] | Acute fatty liver: amiodarone, didanosine, stavudine, valproate, and zalcitabine Drug-associated fatty liver disease: methotrexate, 5-fluorouracil, irinotecan, tamoxifen, corticosteroids, lomitapide, and mipomerson | No suspected drugs Alcohol intake: NAFLD: < 20 g/d (F), < 30 g/d (M) MASLD: < 140 g/w (F), < 210 g/w (M) | Alcohol consumption of more than 40 g/d in women and 50–60 g/d for men, with less than 60 days of abstinence before the onset |
Biochemical parameters | ALT > 5 × ULN ALT > 3 × ULN + TB > 2 × ULN ALP > 2 × ULN | Not established | AST and ALT < 5 × ULN AST/ALT < 1 Normal ALP and TB | TB > 3 mg/dL (> 50 μmol/L) AST/ALT > 1.5 AST, and ALT > 400 UUI/L GGT > 100 U/L |
Radiological findings | No specific findings | Liver steatosis | Liver steatosis | Liver steatosis Hepatomegaly |
Liver biopsy | Acute hepatocellular liver injury: lobular inflammation, portal inflammation, interface hepatitis, apoptosis, granulomas, coagulative necrosis, and confluent or bridging necrosis Cholestatic DILI: acute cholestasis, chronic cholestasis, and acute cholestatic hepatitis | Steatosis, steatohepatitis Microvesicular (mitochondrial injury) Macrovesciular Mixed | Steatosis > 5% of hepatocytes, ballooned hepatocytes, lobular inflammation, apoptotic bodies, portal inflammation, perisinusoidal collagen, portal fibrosis, Mallory-Denk, megamitochondria, glycogenated nuclei in periportal hepatocytes, lobular lipogranulomas, PAS-diastase-resistant Kupffer cells, and hepatic siderosis | Ballooned hepatocytes, Mallory-Denk bodies, neutrophil infiltration, ductular reaction, bilirubinostasis, and pericellular, and sinusoidal fibrosis |
d: day; F: female; GGT: gamma-glutamyl transpeptidase; M: male; TB: total bilirubin; w: week; PAS: periodic acid-schiff; ×: times
MGC: Conceptualization, Writing—original draft, Writing—review & editing. JPTO and AGG: Conceptualization, Writing—original draft.
The authors declare that they have no conflicts of interest.
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This research was supported by grants from Instituto de Salud Carlos III, cofounded by the Fondo Europeo de Desarrollo Regional—FEDER contract numbers: [FIS 21-01248; PI18/00901; UMA18-FEDERJA-193]. Cofunded by European Union. CIBERehd is funded by the Instituto de Salud Carlos III (ISCIII). MGC is a member of the COST ACTION “CA-17112”, Prospective European DILI Network, supported by European Cooperation in Science and Technology (COST). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.
© The Author(s) 2023.