A. Macroscopic findings

Number of cases (total, n = 22)

1. Thickened wall

2. Yellow brown nodules

3. Papillary excrescences

4. Definite growth

5. Gall stones

6. Gallbladder adhered to liver/omentum/duodenum

22

08

01

01

12

02

B. Microscopic findings

1. Mucosal ulceration

2. Foamy macrophages:

Sheets

Scattered

3. Other inflammatory cells:

Lymphocytes

Plasma cells

Eosinophils

4. Giant cells:

Foreign body type

Touton type

5. Fibrosis

6. Epithelial dysplasia in gallbladder lining

7. Serosa showing mild dysplastic glands

8. Cholesterol clefts

9. Bile pigment

10. Liver:

Portal tract inflammation

Fatty changes in parenchyma

Bile duct proliferation

11. Inflammation in surrounding fat and connective tissue

11

16

06

22

12

08

06

13

20

02

01

10

14

03

02

03

02