World Journal of Oncology, ISSN 1920-4531 print, 1920-454X online, Open Access
Article copyright, the authors; Journal compilation copyright, World J Oncol and Elmer Press Inc
Journal website http://www.wjon.org

Original Article

Volume 1, Number 2, April 2010, pages 66-67


F-18-FDG and C-11-Choline Positron Emission Tomography in Human Esophago-Gastric Cancer: Prediction of Response to Therapy

Figures

Figure 1.
Figure 1. Trans-axial PET images of patient three, a pathological responder.
Figure 2.
Figure 2. Kaplan Meier survival curves for pathological response.

Tables

Table 1. Patients, tumour characteristics, staging and chemotherapy regimens
 
PatientSexAgeTumour LocationTumour HistologyPre Treatment AJCC StageStaging ModalityChemotherapyChemotherapy RegimeChemotherapy Cycles CompletedRe staging (CT)Further Treatment
(M = male; F = female; E = esophagus; EGJ = esophago-gastric junction; A = adenocarcinoma; S = squamous cell carcinoma; CT = computerised tomography; EUS = endoscopic ultrasound; E = epirubicin; C = cisplatin; F =5-fluorouracil; X = capecitabine; M = mitomycin-C; CRT = chemoradiotherapy)
1M55.5EAIIICTMCXPalliative3--
2M54.4EGJAIIACTCFNeoadjuvant2IIASurgery
3F67.6EAIIICTCFNeoadjuvant2-Surgery
4M50.9EGJAIIACTCFNeoadjuvant2IIASurgery
5M50.1ESIIACT/EUSCFNeoadjuvant2-Surgery
6F69.4EAIIACTCXNeoadjuvant2IIACRT
7M56.5EGJAIIICT/EUSCXNeoadjuvant2IIICRT
8M61.9EAIVBCTECFPalliative0--
9M78.1EGJAIVBCTECFPalliative4IVBECF
10F70.7EAIIICTCXNeoadjuvant2-Surgery
11M52.5EGJAIVACTCXNeoadjuvant2-Surgery
12M54.3EAIIACT/EUSCXNeoadjuvant2IIASurgery
13M63.3EGJAIIACTECXNeoadjuvant3IIICRT
14F60.0EGJAIVBCTMCXPalliative3IVBMCX
15F67.9ESIVACTMCXNeoadjuvant3IIISurgery
16F64.7EAIIICTCXNeoadjuvant2IIISurgery
17M57.9EAIIICTCXNeoadjuvant2IVACRT
18M59.7EGJAIIICTECXNeoadjuvant3IVACRT

 

Table 2. Survival, Pathological Response, Resection Status and Ki-67 Status
 
PatientChemotherapy RegimeTRGResection StatusPathological StageSurvival (months)Status at Follow UpMedian Ki-67 Tumour Nucleii in pre-treatment biopsy (± SD)High Power Fields CountedMean ki-67 Tumour Nuclei in Resection Specimen (± SD)High Power Fields Counted% Δ in Ki-67 Staining
1Palliative6.0Dead236 (55)5
2Neoadjuvant4R1T3 N1 Mx7.6Dead
3Neoadjuvant3R1T2 N1 Mx8.4Dead117 (48)585 (44)6-27.4
4Neoadjuvant3R0T3 N1 Mx15.8Dead228 (72)4203 (41)5-11.0
5Neoadjuvant5R0T3 N0 Mx25.1Alive276 (39)5184 (46)6-33.3
6Neoadjuvant24.4Alive395 (43)5
7Neoadjuvant17.9Dead186 (43)5
8Palliative0.3Dead741 (79)3
9Palliative9.2Dead466 (51)5
10Neoadjuvant4R1T3 N1 Mx11.9Dead575 (63)4135 (24)15-76.5
11Neoadjuvant2R0T3 N1 Mx20.0Alive616 (31)473 (35)7-88.1
12Neoadjuvant4R1T3 N1 Mx19.8Alive194 (82)5149 (30)7-23.2
13Neoadjuvant18.2Alive437 (107)5
14Palliative10.0Dead35 (5)2
15Neoadjuvant2R0T2 N0 Mx16.4Alive209 (42)50 (0)5-100.0
16Neoadjuvant4R0T3 N1 Mx15.4Alive
17Neoadjuvant13.8Alive536 (76)4
18Neoadjuvant13.7Alive437 (158)5

 

Table 3a. Median Initial Tumor PET Tracer Uptake and Survival
 
QuantificationTracerMedian Uptake (± SD)Survival, months (± SD)pn
SUVF-18 FDG0.17 (0.06)< median 14.8 (2.0)
> median 17.2 (2.7
0.7018
C-11 Choline0.15 (0.01)< median 19.3 (2.7)
> median 11.5 (2.3)
0.1116

 

Table 3b. Median % Δ in SUV PET Tumor Tracer Uptake at Seven and 14 days into the First Cycle of Chemotherapy and Survival
 
PET TimingTracerMedian % Δ SUV (± SD)Survival, months (± SD)pn
Day 7F-18 FDG-3.3 (81.9)< Median 15.0 (2.3)
> Median 20.7 (2.7)
0.4313
C-11 Choline0.0 (24.1)< Median 21.3 (3.4)
> Median 14.1 (2.1)
0.2411
Day 14F-18 FDG-17.1 (28.3)< Median 18.1 (1.2)
> Median 17.2 (3.3)
0.4112
C-11 Choline-0.2 (36.9)< Median 21.1 (3.4)
> Median 13.2 (2.1)
0.169