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Table 1 Summary of the literature review

From: Primary extraskeletal intradural Ewing sarcoma with acute hemorrhage: a case report and review of the literature

Characteristic

  

Age (years)

Mean

30.22

Median

30

Range

30–70

Male

63.00%

Primary site

Cervical

11.1%

Thoracic

5.6%

Lumber

29.6%

Sacral

0

Thoracolumber

27.8%

Lumbosacral

16.7%

Cervicothoracic

7.4%

Thoracolumbosacral

1.9%

Year of diagnosis

1997–2001

9.3%

2002–2006

9.3%

2007–2011

25.9%

2012–2016

33.3%

2017–2021

20.4%

2022

1.9%

Presentation

Pain

72.2%

Motor deficits

38.9%

Sensory deficits

24.1%

Sphincter disturbances

14.8%

NA

14.8%

Resection

GTR

44.4%

STR

38.9%

Biopsy

1.9%

NA

14.8%

Adjuvant therapy

Chemotherapy alone

11.1%

Radiotherapy alone

3.7%

Chemoradiotherapy

63%

No

5.6%

NA

16.7%

CD99

Positive

83.3%

NA

16.7%

Synaptophysin

Positive

31.5%

Negative

14.8%

NA

53.7%

EWSR1 gene translocations

t(11;22)

38.9%

t(21;22)

1.9%

Unspecified

7.4%

Negative

1.9%

NA

50%

Outcome

AWD

22.2%

DOD

20.4%

NED

35.2%

NA

22.2%

Recurrence

Positive

38.9%

Negative

29.6%

NA

31.5%

  1. NA not available, GTR gross total resection, STR subtotal resection, AWD alive with disease, DOD dead of disease, NED no evidence of disease