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Table 1 Histological features of SPNs in patients above 20 years (n = 21)

From: Clinicopathological and immunohistochemical study of 29 cases of solid-pseudopapillary neoplasms of the pancreas in patients under 20 years of age along with detailed review of literature

Histological Features

Number of cases

Percentage (%)

Pseudopapillary architecture

21

100%

Solid areas

21

100%

Eosinophilic cytoplasm

16

76.2%

Myxoid stroma

12

57.1%

Hemorrhage

13

61.9%

Infarction

14

66.7%

Fibrosis

10

47.6%

Foamy/ hemosiderin laden macrophages

12

57.1%

Clear cells

15

71.4%

Hyaline globules

16

76.2%

Necrosis

5

23.8%

Cholesterol clefts

5

23.8%

Cystic degeneration

12

57.1%

Microcystic change

11

52.4%

Nuclear grooves

10

47.6%

Mitotic activity

3

14.3%

Atypical cells

3

14.3%

Giant cells

2

9.5%

Calcification

3

14.3%