TABLE 1

Patient Characteristics, PET/CT Findings, and Outcome

Patient characteristicsPET/CT evaluationOutcome
Patient no.Age (y)Prognosis (IGCCCG)TM (baseline)BaselineEarly response, ΔSUVmean (%)After therapyTreatment resultMIB-1 index (%)Follow-up (d)
HistologyRegimeAFPβ-HCGLDHTracerSUVmaxSUVmeanSUVmaxSUVmeanCT/TMR/NRRelapse
145NSHD-CEIntermediate19617525318F-FDG23.714.8−891.61.5PRm−CRNAR1,337No
18F-FLT11.47.1−791.61.2
231NSHD-PEIPoor34,38414336018F-FDG18.311.6−674.42.6SDVC1NR293Yes
18F-FLT9.89.7−702.61.3
348NSPEBIntermediate4,5639.823618F-FDG12.45.5−564.22.3SDTER20NR1,030No
18F-FLT6.32.8−143.41.4
430NSHD-PEIPoor1,17959,87651118F-FDG5.12.9−142.51.4PRm−VC70NR238Yes
18F-FLT4.62.0−351.90.7
539NSHD-PEIPoor508903,65018F-FDG14.89.6−751.81.4CRCRNAR325No
18F-FLT6.63.4−242.31.0
646NSHD-PEIPoor6880.541,23518F-FDG15.29.0−291.91.1PRm−NEC<1R540No
18F-FLT1.01.0NANANA
741SPEBGood122,29318F-FDG14.58.5−741.71.5PRm−PRm-NAR206No
18F-FLT5.64.7−642.01.2
841NSTIPIntermediate4205,61256418F-FDG21.015−862.71.2PRm−DoDNANR241Yes
18F-FLT5.43.0−671.90.9
922NSHD-PEIPoor21,4973.524818F-FDG12.07.7−552.31.2PRm−NEC<1R683No
18F-FLT5.43.2−432.11.3
1034NSHD-PEIPoor1,78738,30051418F-FDG13.56.1−622.71.2PRm−NEC<1R324No
18F-FLT5.22.6−732.11.3
1136NSPEBIntermediate9896,13557318F-FDG10.05.7−792.11.0PRm+TER2NR542No
18F-FLT2.91.7−531.50.8
  • 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.