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Table 2 Distribution of presenting symptoms at the time of radiation therapy

From: Fractionated stereotactic radiation therapy improves cranial neuropathies in patients with skull base meningiomas: a retrospective cohort study

Domain

Number of cases

Percent of all cases*

Median duration (months)**

Prior surgery

New symptom post-op***

Visual Acuity/Visual Field

129

57.6%

12.8

51.9%

0.8%

Any Diplopia/Ptosis

75

33.5%

9.9

41.3%

2.7%

  Cranial Nerve III

37

16.5%

  Cranial Nerve IV

8

3.6%

  Cranial Nerve VI

39

17.4%

  Unspecified

20

8.9%

Facial Sensation

50

22.3%

9.9

50.0%

18.0%

Facial Weakness

12

5.4%

8.4

91.7%

50.0%

Hearing

34

15.2%

13.6

50.0%

17.6%

Balance

32

14.3%

12.9

43.8%

6.3%

Tinnitus

7

3.1%

26.4

28.6%

0

Cranial Nerve IX -XII

8

3.6%

14.7

100%

37.5%

Other

61

27.2%

9.7

45.9%

3.3%

Asymptomatic

19

8.5%

--

47.4%

--

  1. * Do not add up to 100% because some patient presented with multiple symptoms.
  2. **Duration of symptom prior to radiation therapy.
  3. ***Among cases with the specific deficit at radiation, percent where the symptom only appeared in the post-operative setting.