Patient characteristics | PET/CT evaluation | Outcome | |||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Patient no. | Age (y) | Prognosis (IGCCCG) | TM (baseline) | Baseline | Early response, ΔSUVmean (%) | After therapy | Treatment result | MIB-1 index (%) | Follow-up (d) | ||||||||||
Histology | Regime | AFP | β-HCG | LDH | Tracer | SUVmax | SUVmean | SUVmax | SUVmean | CT/TM | R/NR | Relapse | |||||||
1 | 45 | NS | HD-CE | Intermediate | 196 | 175 | 253 | 18F-FDG | 23.7 | 14.8 | −89 | 1.6 | 1.5 | PRm− | CR | NA | R | 1,337 | No |
18F-FLT | 11.4 | 7.1 | −79 | 1.6 | 1.2 | ||||||||||||||
2 | 31 | NS | HD-PEI | Poor | 34,384 | 143 | 360 | 18F-FDG | 18.3 | 11.6 | −67 | 4.4 | 2.6 | SD | VC | 1 | NR | 293 | Yes |
18F-FLT | 9.8 | 9.7 | −70 | 2.6 | 1.3 | ||||||||||||||
3 | 48 | NS | PEB | Intermediate | 4,563 | 9.8 | 236 | 18F-FDG | 12.4 | 5.5 | −56 | 4.2 | 2.3 | SD | TER | 20 | NR | 1,030 | No |
18F-FLT | 6.3 | 2.8 | −14 | 3.4 | 1.4 | ||||||||||||||
4 | 30 | NS | HD-PEI | Poor | 1,179 | 59,876 | 511 | 18F-FDG | 5.1 | 2.9 | −14 | 2.5 | 1.4 | PRm− | VC | 70 | NR | 238 | Yes |
18F-FLT | 4.6 | 2.0 | −35 | 1.9 | 0.7 | ||||||||||||||
5 | 39 | NS | HD-PEI | Poor | 50 | 890 | 3,650 | 18F-FDG | 14.8 | 9.6 | −75 | 1.8 | 1.4 | CR | CR | NA | R | 325 | No |
18F-FLT | 6.6 | 3.4 | −24 | 2.3 | 1.0 | ||||||||||||||
6 | 46 | NS | HD-PEI | Poor | 688 | 0.54 | 1,235 | 18F-FDG | 15.2 | 9.0 | −29 | 1.9 | 1.1 | PRm− | NEC | <1 | R | 540 | No |
18F-FLT | 1.0 | 1.0 | NA | NA | NA | ||||||||||||||
7 | 41 | S | PEB | Good | 1 | 2 | 2,293 | 18F-FDG | 14.5 | 8.5 | −74 | 1.7 | 1.5 | PRm− | PRm- | NA | R | 206 | No |
18F-FLT | 5.6 | 4.7 | −64 | 2.0 | 1.2 | ||||||||||||||
8 | 41 | NS | TIP | Intermediate | 420 | 5,612 | 564 | 18F-FDG | 21.0 | 15 | −86 | 2.7 | 1.2 | PRm− | DoD | NA | NR | 241 | Yes |
18F-FLT | 5.4 | 3.0 | −67 | 1.9 | 0.9 | ||||||||||||||
9 | 22 | NS | HD-PEI | Poor | 21,497 | 3.5 | 248 | 18F-FDG | 12.0 | 7.7 | −55 | 2.3 | 1.2 | PRm− | NEC | <1 | R | 683 | No |
18F-FLT | 5.4 | 3.2 | −43 | 2.1 | 1.3 | ||||||||||||||
10 | 34 | NS | HD-PEI | Poor | 1,787 | 38,300 | 514 | 18F-FDG | 13.5 | 6.1 | −62 | 2.7 | 1.2 | PRm− | NEC | <1 | R | 324 | No |
18F-FLT | 5.2 | 2.6 | −73 | 2.1 | 1.3 | ||||||||||||||
11 | 36 | NS | PEB | Intermediate | 989 | 6,135 | 573 | 18F-FDG | 10.0 | 5.7 | −79 | 2.1 | 1.0 | PRm+ | TER | 2 | NR | 542 | No |
18F-FLT | 2.9 | 1.7 | −53 | 1.5 | 0.8 |
IGCCCG = International Germ Cell Cancer Collaborative Group; TM = tumor marker; AFP = α-fetoprotein (ng/mL); β-HCG = β-human chorionic gonadotropin (U/L); LDH = lactate dehydrogenase (U/L); R = responder; NR = nonresponder; NS = nonseminoma; HD-CE = high-dose carboplatin and etoposide; PRm− = marker-negative partial remission; CR = complete remission; NA = not applicable; HD-PEI = high-dose cisplatin, etoposide, and ifosfamide; SD = stable disease; VC = vital carcinoma; PEB = cisplatin, etoposide, and bleomycin; TER = teratoma; NEC = necrosis; TIP = paclitaxel, ifosfamide, and cisplatin; S = seminoma; DoD = death of disease; PRm+ = marker-positive partial remission.