Table 1: Reported cases of endoscopic resection of forehead osteomas.

Group

n

Entry Points

Operative time

Complications

Notes

Oyer, et al. [5]

1

2

-

None

Pediatric case after trauma; two additional lesions where found during the procedure

Hsiao, et al. [8]

10

1

27 min

None

Blind dissection

Lai, et al. [10]

6

1

60 min

None

 

Jung, et al. [9]

1

1

30 min more than direct incision

None

Not only osteomas; 1 osteoma, 6 lipomas, 1 pilomatrixoma

Meningaud, et al. [11]

5

3

20-40 (30) min

None

 

Foustanos, et al. [12]

9

3

-

None

Procedure done during endoscopic brow lift

Serra-Mestre, et al. [4]

9

1

-

None

 

Guerrissi, et al. [13]

6

1 or 2

-

2 hematomas,

1 paresis of the frontal nerve

Not only osteomas; 6 osteomas, 20 lipomas.

Paresis resolved spontaneously after 5 months

Im, et al. [2]

45

2

13-30 (20) min

4 recurrences,

2 hematomas,

1 wound dehiscence

Not only osteomas; 45 osteomas, 77 lipomas, 24 dermoid cysts, 6 others;

More patient satisfaction when compared to the direct approach

Sadick, et al. [7]

13

2

36 min

1 alopecia

Not only osteomas; 13 osteomas, 18 lipomas, 2 dermoid cysts, 1 others; Alopecia resolved within 2 months

Neto, et al.

1

1

22 min

None