Case Reports in Otolaryngology / 2015 / Article / Tab 1

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)ResectionPeriod of observation (m)RecurrencePrognosis (%)

Unger et al. (2005) [11]14 (B5, C9)Piecemeal 2/en bloc 1213–128 (58.0)3/14100
Castelnuovo et al. (2007) [12]10 (A3, B4, C3)Piecemeal15–79 (37.0)0/10100
Suriano et al. (2007) [13]9 (A3, B6)Piecemeal/en bloc26–60 (42.8)0/9100
Dave et al. (2007) [14]9 (A5, B2, C2)Piecemeal 3/en bloc 64–105 (36.7)0/9100
Zafereo et al. (2008) [15]3 (A2, B1)Piecemeal/en bloc21–147 (67.3)1/3100
Folbe et al. (2009) [16]17 (A2, B11, C4)Piecemeal/en bloc11–152 (45.2)0/17100