Table 1.
Literature review of patients with completely extradural spinal schwannomas operated through minimally invasive approaches.
| Author YOP |
Case | Age sex |
Level | Tumor size |
Preop. symptoms |
Preop. deficit |
Resection | Fusion | Blood loss (mL) |
OR time (min) |
LOS (days) | Postop. symptoms |
Outcome | Complications |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lu et al., 2009 [14] | 1 | 49/M | L2 | Giant | LBP, LEP | — | GTR | L1-L2 | 400 | 270 | 4 | Resolved | Resolved | None |
| “ | 2 | 48/M | L3 | Nongiant | LBP, LEP | — | GTR | L3-L5 | 250 | 150 | 3 | Improved | Improved | None |
| “ | 3 | 57/M | L5 | Giant | LBP, LEP | Foot drop | STR | L5-S1 | 100 | 180 | 3 | Resolved | Improved | None |
| Haji et al., 2011 [25] | 4 | 61/ F | L5 | ? | LEP | L5 sensory deficit | GTR | No | 500 | 260 | 1 | Resolved | Resolved | None |
| “ | 5 | 27/M | L1 | ? | LBP, LEP | — | STR | No | 500 | 264 | 3 | Resolved | Resolved | None |
| “ | 6 | 30/F | L4 | ? | LEP, LEN, GI | LEH, atrophy | GTR | No | 500 | 270 | 2 | Persistent LEN | Improved | None |
| “ | 7 | 56/M | L5 | ? | LEP | — | GTR | No | 1200 | 285 | 2 | Resolved | Resolved | None |
| “ | 8 | 47/F | T4 | ? | LEP, LEN, LEW, GI | LEW, H, spasticity | GTR | No | 1250 | 225 | 4 | Resolved | Resolved | None |
| “ | 9 | 64/F | L3-4 | ? | LEP, SD | LEA | GTR | No | 600 | 250 | 1 | Improved | Improved | None |
| “ | 10 | 26/M | L1-L2 | ? | LBP | — | GTR | No | 1100 | 210 | 1 | Resolved | Resolved | None |
| Weil et al., 2011 [6] |
11 | 77/F | L3 | Giant | LBP, LEP | LEW | GTR | No | 200 | 180 | 2 | Resolved | Resolved | None |
| Nzokou et al., 2013 [28] | 12 | 64/M | T11-12 | ? | — | T12 H | STR | No | 500 | 540 | 4 | Resolved | Improved | None |
| “ | 13 | 45/F | T6-7 | ? | — | — | GTR | No | 200 | 160 | 3 | Resolved | Improved | None |
| “ | 14 | 68/F | T3-4 | ? | — | — | GTR | No | 100 | 85 | 1 | Resolved | Improved | None |
| “ | 15 | 76/F | L3-S1 | ? | — | — | GTR | No | 200 | 180 | 2 | Resolved | Improved | None |
| “ | 16 | 34/M | T10-11 | ? | — | — | GTR | No | 50 | 105 | 1 | Resolved | Improved | None |
| “ | 17 | 69/M | T8-9 | ? | — | — | GTR | No | 50 | 75 | 1 | Resolved | Improved | None |
| “ | 18 | 72/F | L3-4 | ? | LBP, LEP | — | GTR | No | 100 | 150 | 2 | Resolved | Improved | None |
| Present case 2014 | 19 | 50/F | L3 | Giant | LBP, LEP, LEN, LEW | LEW, Patellar A | GTR | No | 300 | 170 | 2 | Resolved | Improved | None |
YOP: year of publication; OR: operating room; LOS: length of stay; LBP: low back pain; LE: low extremity; P: pain; N: numbness; W: weakness; H: hypoesthesia; A: areflexia; SD: sphincter disturbance; GI: gait impairment; GTR: gross total resection; STR: subtotal resection.