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Table 3 Morphologic features (n = 32)

From: Extraosseous (extramedullary) plasmacytomas: a clinicopathologic and immunophenotypic study of 32 Chinese cases

Morphology

Number

Percentage

Tumor cell differentiation

  

   Well (Grade I)

18

56.3

   Moderate (Grade II)

10

31.3

   Poor (Grade III)

4

12.4

Tumor giant cells

10

31.3

Dutcher's body

4

12.5

Necrosis

11

34.4

Amyloid deposition

6

18.8

Blood cell lake

12

37.5

"Starry Sky" pattern

3

9.4