Case Report
An Endoscopic Endonasal Approach for Early-Stage Olfactory Neuroblastoma: An Evaluation of 2 Cases with Minireview of Literature
Table 1
A sequential resection with negative margins via endoscopic endonasal approach versus open en bloc resection.
| | Number of cases (stages) | Resection | Period of observation (m) | Recurrence | Prognosis (%) |
|
Unger et al. (2005) [11] | 14 (B5, C9) | Piecemeal 2/en bloc 12 | 13–128 (58.0) | 3/14 | 100 | Castelnuovo et al. (2007) [12] | 10 (A3, B4, C3) | Piecemeal | 15–79 (37.0) | 0/10 | 100 | Suriano et al. (2007) [13] | 9 (A3, B6) | Piecemeal/en bloc | 26–60 (42.8) | 0/9 | 100 | Dave et al. (2007) [14] | 9 (A5, B2, C2) | Piecemeal 3/en bloc 6 | 4–105 (36.7) | 0/9 | 100 | Zafereo et al. (2008) [15] | 3 (A2, B1) | Piecemeal/en bloc | 21–147 (67.3) | 1/3 | 100 | Folbe et al. (2009) [16] | 17 (A2, B11, C4) | Piecemeal/en bloc | 11–152 (45.2) | 0/17 | 100 |
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