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Table 2 Tumour characteristics in the 1st line endocrine setting (n = 16)

From: Treatment of hormone positive uterine leiomyosarcoma with aromatase inhibitors

Variable

n = 16 (%)

Histological grade (Stanford)

 

Low

8 (50%)

High

8 (50%)

Histological grade (FNCLCC)

 

Low

7 (44%)

Intermediate

3 (19%)

High

6 (37%)

Hormone receptor status

 

ER

 

Moderate to strong (grade 2–3)

13 (81%)

Weak (grade 1)

3 (19%)

PgR

 

Moderate to strong (grade 2–3)

10 (62.5%)

Weak (grade 1)

6 (37.5%)

ER and PgR

 

Moderate to strong (grade 2–3)

10 (62.5%)

Weak (grade 1)

2 (12.5%)

% ER staining

 

>90%

10 (62.5%)

>50%

14 (87.5%)

10-50%

1 (6.25%)

Unknown

1 (6.25%)

% PgR staining

 

>90%

6 (37.5%)

>50%

11 (68.75%)

10-50%

1 (6.25%)

0%

2 (12.5%)

unknown

2 (12.5%)

  1. ER, oestrogen receptor; PgR, progesterone receptor.