Table 2.

Resection rates (CRET, complete 5-ALA, STR, resection stopped due to mapping findings); neurological deficit at day 1 and day 90

Series	CRET	STR	Extent of resection	Fluorescence present	Complete 5-ALA resection	Surgery stopped due to mapping findings	Preoperative neurological deficit	Neurological decline POD1	Persistent neurological deficit at day 90	Intraoperative seizure
Feigl et al. [21] (2010)	16/25	9/25	NR	25/25	NR	6/25	13/25	3/25	NR	0/25
Della Puppa et al. [18] (2013)	29/31	2/31	Over 90% all cases	31/31 bright	23/31	8/31 (all had bright residual)	6/31	19/31	2/31	1/31
Pastor et al. [21] (2013)	24/36	12/36	90.4% + / − 3.7%	NR	32/36	4/36	11/36	6/36	0/36; 10 improved, 26 stable	NR
Schucht et al. [20] (2014)	49/67 (73%)	18/67 (27%)	66/67 > 95%	67/67	38/67 (57%)	16/67 (still 9/16 had complete CRET)	22/67	20 /67 (30%)	3/67 (4%)	1/67 (1%)
Goryaynov et al. [17] (2022)	18/24 (10 did not have immediate post-op MRI)	3/24 STR, 3/24 partial resection	NR	IV: 14/16 III: 2/7 II: 4/11	28/34	6/34	NR	20/34	5/34	0/34
Muscas et al. [19] (2022)	41/65	24/65	Over 90% all cases	65/65 bright. In motor areas – 10 had none, 16 bright, 39 vague	7/65; 17 bright residual, 41 faint residual	16/65 (9 still had CRET)	47/65	1/65; 36 improved, 28 stable	NR	NR

CRET complete resection of enhancing tumor, STR subtotal resection, NR not reported