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Table 2 Cross-sectional area of the transverse sinuses measured by MR imaging in normal young and adult patients and in hydrocephalic patients

From: Cerebrospinal fluid absorption block at the vertex in chronic hydrocephalus: obstructed arachnoid granulations or elevated venous pressure?

Group

Age

Right TS

Left TS

Total area

 

Yr

mm2

mm2

mm2

Normal young n = 10

    

Mean

10

47

27

73

SD

4

15

19

26

Normal adult n = 20

    

mean

44

43

29

72

SD

10

19

15

16

Hydrocephalus n = 20

    

mean

45

25

20

45

SD

10

11

10

15

p value

0.81

0.001*

0.04*

0.0001*

  1. Values are means +/- standard deviation, TS, transverse sinus; *: t-test p value < 0.05 normal adults versus hydrocephalus patients.
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Fluids and Barriers of the CNS

ISSN: 2045-8118