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Table 1 Data of 14 cases obtained from previous reports plus our present case

From: Brainstem intraparenchymal schwannoma with genetic analysis: a case report and literature review

Authors

Age (years)

Sex

Location

Extent of resection

Recurrence

Permanent neurological deficit

Other remarkable features

Prakash et al. [13]

14

F

Pons

Subtotal

Permanent facial palsy

 

Aryanpur and Long [1]

50

F

Medulla–cervical cord

Gross total

No permanent deficit

 

Ladouceur et al. [6]

46

F

Pons

Subtotal

Left-sided auditory impairment and left-sided hemiparesis

 

Sharma and Newton [19]

18

M

Medulla

Subtotal

No description

Slight motor dysfunction (no details)

Surgery after empiric RT

Sharma et al. [18]

14

M

Medulla–cervical cord

Subtotal

Lost to F/U

Not described

 
 

14

M

Pons

Gross total

Good functional recovery (no details)

 

Tanabe et al. [21]

68

F

Pons

Gross total

No description

Mild dysesthesia in the right hand

 

Lee et al. [7]

29

F

Medulla–cervical cord

Gross total

Not available

(Died of aspiration pneumonia)

 

Lin et al. [8]

48

M

Medulla

Gross total

Persistent ataxia

Surgery after empiric SRS

Muzzafar et al. [11]

68

M

Midbrain–pons

Subtotal

Trace left-sided trochlear palsy

 

Srivastav et al. [20]

13

M

Pons

Subtotal

Able to perform routine activity with minimal support

Multiple neurofibromas in his father

Ramos et al. [14]

17

F

Midbrain–pons

Gross total

No permanent deficit

 

Sharma et al. [17]

26

F

Medulla–cervical cord

Subtotal

Left-sided abducent and facial palsies

 

Gao et al. [5]

12

F

Medulla

Gross total

No permanent deficit

Ki-67 labeling index: 1%

Present case report

21

M

Pons

Subtotal

+

Left-sided abducent and facial palsies

No tumor regrowth after RT

  1. F female, F/U follow-up, M male, RT radiotherapy, SRS stereotactic radiosurgery