Table 2.
Overview of patient characteristics, surgical outcome
| Case | Age at operation | Tumor entity | Grading | Tumor site | Tumor size (cm) | Tumor stage | Operation indication | Type of procedure | Subtype of procedure | Surgical revision (n) | VAC duration Y/N days |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 68 | GCT | benign | ischiopubic | 6x6x7 | III (benign) | PR | int intra | P3 | N | N |
| 2 | 69 | LMS | 2 | prox thigh | 19 | IIB | SR LR | ext | P2/3 | 1 | N |
| 3† | 71 | CS | 2 | ilium | >10 | IIIB | SR PI | ext | P1-4 | N | N |
| 4 | 72 | CS | 2 | prox thigh | 43 | IIIB | PR EXULC | ext | P2/3 | 1 | Y |
| 5† | 69 | CS | 3 | ilium | 22x18x16 | IIB | PR | ext | P1-4 | 3 | Y 68 |
| 6 | 65 | CS | 2 | ilium | 10x13 | IIB | PR | ext | P1-4 | 0 | N |
| 7 | 69 | CS | 3 | acetabular | 6,5x10x12 | IIB | PR | int extra* | P1-4 | 11 | Y 93 |
| 8 | 74 | CS | 3 | ilium | 20x11x14 | IIIB | PR | int* | P1c | 2 | N |
| 9 | 72 | CS | 1 | ilium | 8x6x8 | IB | SR PI | ext | P1-4 | N | N |
| 10 | 73 | OS | 3 | prox femur | 5 | IIA | PR | int extra | P2/3 | 2 | Y 95 |
| 11 | 78 | PS | 3 | prox thigh | 31x17x15 | IIB | PR EXULC | ext | P2/3 | 0 | N |
| 12 | 67 | CS | 2 | ilium | 22x30 | IIB | PR | int intra | P1-4 | 5 | Y 170 |
| 13 | 71 | CS | 2 | ilium | >20 | IIB | PR | ext | P1-4 | N | N |
| 14† | 76 | PS | 3 | prox thigh | 9x8x6 | IIB | SR PI | ext | P2/3 | 1 | N |
| 15 | 67 | CS | 2 | ilium | 10x10x10 | IIB | PR | int extra | P2/3 | 3 | N |
| 16 | 66 | CS | 3 | acetabular | 10x7x5 | IIIB | SR LR | ext | P1-4 | N | N |
| 17 | 72 | CS | 3 | acetabular | 12 | IIB | PR | int ext | P2/3 | N | N |
| 18 | 70 | LMS | 2 | inguinal | 19 | IIB | PR | ext | P1-4 | 1 | N |
| 19 | 67 | OS | 3 | acetabular | 8,8x11,8 | IIB | SR LR | ext | P1-4 | 3 | Y 42 |
| 20 | 83 | LMS | 3 | gluteal | 16x8x5 | IIB | SR PI | ext | P1-4 | 1 | Y |
| 21 | 66 | PS | 3 | gluteal | 12x9 | IIB | PR | ext | P2/3 | N | N |
| 22 | 69 | CS | 1 | ilium | 5x6x7 | IB | PR | int extra | P2-4 | N | N |
| 23 | 66 | CS | 2 | ilium | 18 | IIIB | PR pall | int intra | P1-4 | 1 | Y |
| 24 | 70 | FS | 3 | thigh | 15x12x13 | IIB | SR PI | ext | P1-4 | 3 | Y 14 |
| 25 | 72 | PS | 3 | prox thigh | NA | IIB | SR LR | ext | P2/3 | N | N |
| 26 | 71 | CS | 2 | acetabular | 7x6x10 | IIB | PR | int extra | P1-4 | 1 | N |
| 27 | 70 | PS | 3 | prox femur | 20x13x12 | IIIB | SR PI | ext | P2/3 | N | N |
| 28 | 65 | CS | 3 | ilium | 12x10x12 | IIB | PR | ext | P1-4 | 3 | Y 14 |
| 29 | 69 | PS | 3 | gluteal | 24x14x19 | IIB | SR LR | ext | P2/3 | N | N |
| 30 | 71 | CS | 3 | prox femur | 12x10x7 | IIIB | SR PI | ext | P1-4 | 0 | N |
| 31 | 65 | TCMet | regressive | ilium | 2x2x2 | - | PR | int | P1c | N | N |
| 32 | 73 | PS | 3 | prox thigh | 30x12x13 | IIIB | PR | ext | P2/3 | N | N |
| 33 | 75 | PS | 2 | gluteal | 10x10x6 | IB | PR | int extra* | P1-4 | 9 | Y 10/61 |
| 34 | 65 | CS | 2 | ilium | 12x11x9 | IB | PR | int | P1cHSPCL5 | 3 | Y 38 |
Abbreviations: † = death on hospital ward, GCT = giant cell tumor, LMS = leiomyosarcoma, CS = chondrosarcoma, OS = osteosarcoma, PS = pleomorphic sarcoma, FS = fibrosarcoma, TCMet = thyroid cancer metastasis, prox = proximal, NA = not available, PR = primary resection, SR LR = secondary resection for local recurrence, SR PI = secondary resection post intralesional operation, PR EXULC = primary resection of exulcerating tumor, PR pall = primary R1 resection in palliative situation, int intra = internal intraarticular hemipelvectomy, ext = external hemipelvectomy, int extra = internal extraarticular hemipelvectomy, int = internal hemipelvectomy, * = patients with second-stage external hemipelvectomy due to infection; P3 = ischiopubic region, P2/3 = ischiopubic and acetabular region, P1-4 = iliac, acetabular, ischiopubic and massa lateralis region, P1c = iliac and massa lateralis region, P2-4 = acetabular, ischiopubic and massa lateralis region, P1cHSPCL5 = iliac, hemisacrectomy and partial corporectomy of fifth lumbar vertebrae, N = No, Y = Yes.