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Table 1 NHERF1 in ependymal tumors and in other tumors considered in the differential diagnosis

From: NHERF1/EBP50 is an organizer of polarity structures and a diagnostic marker in ependymoma

Diagnosis

Patients

Site

NHERF1 microlumen positivity

 

No. cases gender

Mean age (range)

 

Diffuse

Focal

Total/Site

Total

Ependymoma

341

44.6 (121-74)

ST: 51

5 (100%)

 

5 (100%)

34 (100%)

20M, 14F

PF: 8

8 (100%)

 

8 (100%)

   

SC:21

18 (85%)

32 (15%)

21 (100%)

Adult Anaplastic ependymoma

9

33 (23–49)

ST: 7

2 (28%)

2 (28%)

4 (57%)

6 (67%)

5M, 4F

PF: 1

1 (100%)

0

1 (100%)

   

SC: 1

0

1 (100%)

1 (100%)

Pediatric Anaplastic ependymoma

5 4F, 1M

11.8 (6–17)

ST: 3

2 (67%)

1 (33%)

3 (100%)

5 (100%)

PF: 2

2 (100%)

0

2 (100%)

Subependymoma

6 4M, 2F

60.5 (40–68)

ST: 5 PF: 1

5 (100%) 1 (100%)

0 0

5 (100%) 1 (100%)

6 (100%)

Mixopapillary ependymoma

5 3F, 2M

45.6 (34–65)

SC: 5

0

3 (60%)

3 (60%)

33 (60%)

Glioblastoma

151 7M, 8F

54.2 (121-76)

ST: 13 PF: 21

0 0

3 (23%) 0

3 (23%) 0

3 (20%)

AT/RT

2 2F

0.75 (0.4-1.1)

PF: 2

0

0

0

0%

Medulloblastoma

6 5M, 1F

24 (8–63)

PF: 6

0

0

0

0%

Diffuse gliomas4

22 16M, 6F

46.5 (27–78)

ST: 22

0

0

0

0%

Pilocytic astroc.

4 3M, 1F

31.5 (18,61)

ST:1 PF: 2 SC: 1

0

0

0

0%

Schwannoma

5 3M, 2F

46 (29–56)

PF: 4 SC: 1

0

0

0

0%

  1. M, male; F, female; ST, supratentorial; PF, posterior fossa; SC, spinal cord.
  2. 11pediatric case.
  3. 22 tanycytic and 1 giant cell ependymoma.
  4. 3All myxopapillary ependymomas had focal NHERF1 membranous staining and positive canals.
  5. 4Diffuse gliomas comprise oligodendroglioma WHO grade II (n = 5) and III (n = 1), oligoastrocytoma WHO grade II (n = 8) and III (n = 4), and astrocytoma WHO grade II (n = 1) and III (n = 3).