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Table 4 Recent studies of outcome of patients surgically treated for ACMs using the EAC approach and tumor characteristics

From: Extradural anterior clinoidectomy in surgical management of clinoidal meningiomas

Author (year) Cases No. Preop visual deficit (%) EAC (%) Al-Mefty’s types I/II/III Tumor size max diameter mean (cm) OCI (%) CSI (%) ICA encasement (%) Postop. visual improv. (%) GTR (%) Recurrence (%) Mortality rate (%)
Al-Mefty 1990 [2] 24 20 (84) 24 (100) 03/19/02 NR NR 9 (37.5) 14(58.3) 2 (10) 20(83) 2 (8.3) 1 (4.2)
Risi et al. 1994 [31] 34 20 (58.8) 34 (100) NR NR NR 15 (44.1) NR 6(31.6) 20(58.9) 4(11.7) 2(5.8)
Lee et al. 2001 [16] 15 8 (53.3) 13 (86.7) NR 3.42 5 (33.3) 2 (13.3) NR 6(75) 13(86.7) 0 0
Tobias et al. 2003 [29] 26 14 (53.8) 24 (92.3) 03/19/02 3.7 NR 6 (23) NR 10(71.4) 20(77) 0 0
Cui et al. 2007 [30] 26 22 (84.6) 26 (100) 04/22/00 3.5 NR 4 (17.4) NR 16 (72.7) 16(61.5) 0 0
Sade and Lee 2008 [11] 52 24 (46) 47 (90.4) NR 3.4 19 (36) NR NR 17 (77) 37(71.2) 0 1(1.9)
Attia et al. 2012 [17] 22 19 (86.4) 19 (86.3) NR 5.9 17 (77.3) 13 (59.1) 20(90) 12 (66.7) 7(31.8) 3 (13.6) 0
Czernicki et al. 2015 [18] 30 18 (60) 30 (100) 06/20/04 3.73 NR 6 (20) 5(16.6) 6 (33.3) 19(63.3) 4/25(16) 2(6.7)
Verma et al. 2016 [19] 78 58 (74.3) 78 (100) NR 4.4 NR 21 (26.9) 43(55.1) 12(20.7) 52(66.7) 16 (20.5) 2(2.6)
Kim et al. 2017 [13] 59 17 (28.8) 59 (100) NR 4 2 (3.4) 8 (13.6) 45(76.3) NR 38(64.4) 11 (18.6) 0
Alam et al. 2018 [21] 10 10 (100) 10 (100) NR 5.1 NR NR NR 7 (70) 5(50) 1 (10) 0
Giammattei et al. 2019 [20] 18 12 (66.6) 18 (100) 06/10/02 2.7 8 (44.4) 6(33.3) 9 (50) 5 (41.6) 12(67) 0 0
Current study 2021 33 30 (90.9) 33 (100) 14/17/02 4.1 24 (72.7) 8 (24.2) 16 (48.5) 21 (70) 24(72.7) 3 (9.1) 2 (6.1)
  1. Mariniello and colleagues in 2013 [32] and Liu and colleagues in 2012 [33] reported visual improvement in 56.7% and 56.8%, respectively, while GTR was reported in 84.8% and 81.8%, respectively. However, extradural anterior clinoidectomy was not performed in most of their included patients
  2. ACMs anterior clinoidal meningiomas, CSI cavernous sinus invasion, EAC extradural anterior clinoidectomy, GTR gross total resection, ICA internal carotid artery, Improv improvement, Max maximum, NR not recorded, OCI optic canal invasion, Postop postoperative, Preop preoperative