Table 2 Pathologic characteristics and metallothionein immunohistochemical staining results for patients with Wilson disease.

From: Metallothionein immunohistochemistry has high sensitivity and specificity for detection of Wilson disease

Case #

Diagnosis

Specimen type

Stage

Histologic pattern

Copper stain

Metallothionein immunohistochemistry

No staining (0)

Mild Intensity (1+)

Moderate intensity (2+)

Strong intensity (3+)

H-score

1

Wilson

Resection

4

Established cirrhosis

Mild, focal

0%

0%

10%

90%

290

2

Wilson

Resection

4

Fulminant hepatic failure with mild steatosis

Mild, focal

0%

0%

10%

90%

290

3

Wilson

Resection

4

Established cirrhosis

Mild, diffuse

0%

0%

40%

60%

260

4

Wilson

Resection

1

Submassive hepatic necrosis with nodular regeneration

NA

0%

0%

80%

20%

220

5

Wilson

Resection

4

Severe active hepatitis, moderate steatosis, prominent cholestasis

Negative

0%

0%

10%

90%

290

6

Wilson

Resection

4

Cirrhosis with cholestasis

Negative

0%

20%

30%

50%

230

7

Wilson

Resection

4

Cirrhosis with cholestasis

NA

0%

0%

60%

40%

240

8

Wilson

Resection

4

Established cirrhosis

NA

0%

0%

0%

100%

300

9

Wilson

Biopsy

2

Steatohepatitis

Moderate

0%

0%

0%

100%

300

10

Wilson

Biopsy

2

Hepatitis and steatohepatitis

Negative

0%

0%

20%

80%

280

11

Wilson

Biopsy

0

Steatohepatitis

NA

0%

0%

0%

100%

300

12

Wilson

Biopsy

2

Steatohepatitis

NA

0%

0%

0%

100%

300

13

Wilson

Resection

4

Steatohepatitis, necrosis, and cirrhosis

Negative

0%

0%

30%

70%

270

14

Wilson

Biopsy

0

Steatosis

NA

0%

10%

60%

30%

220

15

Wilson

Biopsy

2

Mild portal hepatitis with ductular reaction

Mild, focal

0%

10%

0%

90%

280

16

Wilson

Resection

4

Established cirrhosis

NA

20%

30%

0%

50%

180

17

Wilson

Biopsy

1

Severe active hepatitis, mild steatosis, prominent cholestasis

Mild, focal

0%

10%

60%

30%

220

18

Wilson

Resection

4

Cholestatic cirrhosis

NA

0%

0%

70%

30%

230

19

Wilson

Resection

4

Established cirrhosis

NA

0%

0%

70%

30%

230

20

Wilson

Biopsy

1

Mild portal and lobular hepatitis with mild steatosis

Negative

0%

0%

10%

90%

290