Non-alcoholic fatty liver disease classification: Difference between revisions

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|Diagnostic
|Diagnostic
|}
|}
{| class="wikitable"
!Steatosis
!S-Score
|-
|<5%'''<sup>†</sup>'''
|0
|-
|5–33%
|1
|-
|34–66%
|2
|-
|>66%
|3
|-
!'''Lobular Inflammation'''
!'''L-Score'''
|-
|None<sup>♥</sup>
|0
|-
|<2 foci
|1
|-
|2–4 foci
|2
|-
|>4 foci
|3
|-
!'''Hepatocyte  Balloning'''
!'''B-Score'''
|-
|None
|0
|-
|Few ballooned cells'''<sup>¥</sup>'''
|1
|-
|Many ballooned cells'''<sup>₩</sup>'''
|2
|-
|Interpretation
'''Ranges from 0-8'''
|
*  NAS scores of 0-2 is not diagnostic of NASH
* Scores of 3-4 is borderline for NASH
* Scores of 5-8 is diagnostic of NASH
|}
==References==
==References==
{{reflist|2}}
{{reflist|2}}

Revision as of 17:16, 21 December 2017

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Vamsikrishna Gunnam M.B.B.S [2]

Overview

Non-alcoholic fatty liver disease may be classified based on clinical presentation into non-alcoholic fatty liver and non-alcoholic steatohepatitis.

Classification

Non-alcoholic fatty liver disease may be classified based on clinical presentation into non-alcoholic fatty liver and non-alcoholic steatohepatitis.[1][2][3]

Based on clinical presentation
Non-alcoholic fatty aliver Non-alcoholic steatohepatitis
  • Benign
  • Aggressive
  • Non-progressive
  • Can progress to cirrhosis
  • Rarely can give rise to hepatocellular carcinoma
Based on histopathology
  • Steatosis
  • Steatohepatitis
    • Grade: depends on degree of steatosis and necroinflammatory activity
    • Stage: depends on degree of fibrosis

NAFLD Activity Score [4][5]

NAFLD activity score is employed for grading steatohepatitis of NASH. NAS represents the sum of scores for steatosis, lobular inflammation, and ballooning.

Component Range Score
Steatosis <5% 0
5-33% 1
34-66% 2
>66% 3
Lobular Inflammation None 0
<2 focci 1
2-4 2
>4 3
Hepatocyte Balloning None 0
Few ballooned cells 1
Many ballooned cells 2
Interpretation 0-2 Non-diagnostic
3-4 Borderline
5-8 Diagnostic

References

  1. Hashimoto E, Tokushige K, Ludwig J (2015). "Diagnosis and classification of non-alcoholic fatty liver disease and non-alcoholic steatohepatitis: Current concepts and remaining challenges". Hepatol Res. 45 (1): 20–8. doi:10.1111/hepr.12333. PMID 24661406.
  2. Cobbina E, Akhlaghi F (2017). "Non-alcoholic fatty liver disease (NAFLD) - pathogenesis, classification, and effect on drug metabolizing enzymes and transporters". Drug Metab Rev. 49 (2): 197–211. doi:10.1080/03602532.2017.1293683. PMC 5576152. PMID 28303724.
  3. Monteiro JM, Monteiro GM, Caroli-Bottino A, Pannain VL (2014). "Nonalcoholic fatty liver disease: different classifications concordance and relationship between degrees of morphological features and spectrum of the disease". Anal Cell Pathol (Amst). 2014: 526979. doi:10.1155/2014/526979. PMC 4333905. PMID 25763333.
  4. Vizuete J, Camero A, Malakouti M, Garapati K, Gutierrez J (2017). "Perspectives on Nonalcoholic Fatty Liver Disease: An Overview of Present and Future Therapies". J Clin Transl Hepatol. 5 (1): 67–75. doi:10.14218/JCTH.2016.00061. PMC 5411359. PMID 28507929.
  5. "Transplant Pathology Internet Services".

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