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Table 2 Pathological characteristics and immunophenotype of 10 patients with LG-EESS

From: Primary low-grade extrauterine endometrial stromal sarcoma: analysis of 10 cases with a review of the literature

Parameter

Number

Percent (%)

Tumor diameter (median, range), cm

8.7

5–20

Localized smooth muscle differentiation

2

20

Definite endometriosis

7

70

ER

 Positive

5

50

PR

 Positive

5

50

CD 10

 Positive

7

70

Desmin (n = 5)

 Positive

1

20

SMA (n = 6)

 Positive

2

33.3

  1. ER Estrogen receptor, PR Progesterone receptor, SMA Smooth muscle antigen