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. 2002 Nov;51(5):731–735. doi: 10.1136/gut.51.5.731

Table 3.

Histological features of patients with small duct primary sclerosing cholangitis according to the Ishak inflammation score

No of cases in each category
0 1 2 3 4 5 6
Ishak inflammation score
    A 14 13 1 0 1
    B 28 0 1 0 0 0 0
    C 10 15 2 2 0
    D 4 13 11 1 0

Ishak inflammation score: A, interface hepatitis; B, confluent necrosis; C, lobular inflammation; D, portal inflammation.