Table 1 The perioperative treatment and postoperative outcome parameters
Parameter | Variable | Value (n) |
|---|---|---|
Gender | Female | 5 |
Male | 5 | |
Age | Years, median (range) | 58 (40–76) |
Radiochemotherapy | Neoadjuvant (with additional hyperthermia) | 6 (1) |
Adjuvant | 0 | |
None | 4 | |
Chemotherapy | Adjuvant | 1 |
None | 3 | |
Origin | Retroperitoneal | |
Left | 4 | |
Right | 6 | |
Operative procedures performed | Laparotomy, midline | 10 |
En bloc compartmental resection + 0 organs | 2 | |
En bloc compartmental resections + 1 organ | 3 | |
En bloc compartmental resections + 2 organs | 4 | |
En bloc compartmental resections + 3 organs | 1 | |
Resected organs | Kidney | 4 |
Intestine, large | 6 | |
Adrenal gland | 2 | |
Orchiectomy | 2 | |
Operation time | Minutes, median (range) | 253 (165–458) |
Specific perioperative complications: | Major | 2 |
Necessitating laparotomy | 2 | |
Anastomotic insufficiency bowel | 1 | |
Minor | 2 | |
Urinary tract infection (Candida) | 1 | |
Diarrhea (C. difficile) | 1 | |
Hospital stay | Duration (days) | 15.2 (11–21) |
Pathologic dimension | Median | 360 (300–440) |
> 300 and < 350 mm | 4 | |
> 350 and < 400 mm | 4 | |
> 400 mm | 2 | |
Surgical margins | Wide (R0) | 3 |
Marginal (R1) | 7 | |
Intralesional (R2) | 0 | |
Histology | Dedifferentiated | 10 (100%) |
Tumor response | Radiologic (RECIST) | |
Regressive | 0 | |
Stable | 6 (100%) | |
Progressive | 0 | |
Histologic (% tumor vitality) | ||
< 20 | 0 | |
20–30 | 1 | |
30–60 | 3 | |
60–90 | 2 | |
> 90 | 0 | |
Tumor relapse | Site of recurrence | |
Local | 3 | |
Local metastatic (abdominal/peritoneal) | 2 | |
Metastatic (pulmonal/cerebral) | 1 | |