Research Article

New Acquisition Protocol of 18F-Choline PET/CT in Prostate Cancer Patients: Review of the Literature about Methodology and Proposal of Standardization

Table 1

The results of the acquisition protocols for 18F-Choline PET/CT in prostate cancer patients used in the published papers in the literature described in detail.

Author CountryYear of publicationNumber of patientsIndication for 18F-choline PETDose of 18F-cholineEarly static acquisition: timing, FOVs time per FOVEarly dynamic acquisitionDelayed acquisitionOther delayed acquisitionsTransmission scansPatients preparation

1Kwee et al. [11]USA2006263.3–4 MBq/kg7 min p.i. 5 FOVs, 7 min per FOV60 min p.i. pelvic region 1 bed of 7 min 68Ge rod sources

2Heinisch et al. [12]Austria200645Restaging4.07 MBq/kg 8 min dynamic PET in the pelvic region (1 min frames) 1 min p.i.14 to 19 min p.i. (mean 17,6 min p.i.)Low dose CTFasting for 12 hours

3Cimitan et al. [5]Italy2006100Restaging3.7–4.07 MBq/kg5–15 min p.i. (2 FOVs, 5 min/FOV)65–200 min p.i. (6-7 bed positions, 5 min per bed)Low dose CTFasting for 6 hours

4Vees et al. [13]Switzerland200711Restaging214 ± 14 MBq (no adjustment for weight or size)2 min p.i. (7 FOVs, 3 min/FOV)Unenhanced low dose CT scan

5Igerc et al. [14]Austria2008 20Psa elevation negative biopsy4 MBq/kg3–5 min p.i. (1 FOV, 2 min/FOV)30 min p.i. whole body 2 min per bedContrast enhanced CT1.5 lt of water + oral mdc 1 hour before injection

6Husarik et al. [15]Switzerland2008111Staging + restaging200 MBq2 min p.i. (6-7 FOVs, 3 min/FOV)

7Pelosi et al. [6]Italy200856Restaging185–259 MBq60 min p.i. (mean 7 FOVs, 3.5 min per FOV) Low dose CT and oral administration of 10 mL of contrast medium in half a litre of water

8Steiner et al. [8]Germany200947Restaging300 MBq 10 minutes list-mode PET acquisition over the prostate bed p.i. Three timeframes of 3 minutes each were reconstructed for analysis.10 min p.i. whole body PET/CTDelayed pelvic PET/CT

9Beauregard et al. [16]Australia201016Staging − restagingmedian 188 MBq (114–215 MBq)10 min dynamic acquisition of the pelvis at time of injection, 1 min per frame, 1 bed position15 min, 5-6 bed positions, 5 min per bed.Low dose CT

10Hodolic [17]Slovenia2011 50Staging + restaging200–300 MBq5 min list mode acquisition over prostatic bed immediately after the injection60 min p.i. (9 bed positions on average) 2 min per bed Fast 6–10 hours prior the scan

11Soyka et al. [18]Switzerland2012 156Restaging200–300 MBqpartial wb 3-4 min p.i.15–20 min p.i. partial body scan without taking the patient off the examination table and without voiding of the bladderLow dose CT no contrast medium

12Henninger et al. [19]Austria201235Restaging4 MBq/kg8 min (1 min per frame) dynamic emission scan of the pelvis 1 min p.i.Whole body scan after the dynamic scan (7–9 FOVs, 5 min/FOV)Germanium-67 rod source,Fasting was not essential

13Poulsen et al. [20]Denmark2012210Staging4 MBq/kg60 min p.i. wb scan (base of the skull to mid-thigh), 2.5 min/bed Diagnostic CT with contrastFasting for 6 hours

14Kwee et al. [21]USA201250Staging − restaging2.6 MBq/kg12–15 min p.i., wb 9–11 FOVs, 2 min/FOVFasting for at least 3 hours

15Oprea-Lager et al. [22]Netherlands201225Staging − restaging4 MBq/kgpelvic region 2 min p.i (2 min/FOV)30 min p.i. mid-thigh to the skull vertex, 2 min/FOVLow dose CTSimilar to that required for FDG PET.
Empty bladder before late scan

16Graute et al. [23]Germany201282Restagingmean dose 300 MBq, normalized to body mass.60 min p.i. 3 min/FOVDiagnostic CT unenhancedPrior wb scan pts were asked to empty their bladder so as to minimize tracer accumulation.

17Kjölhede et al. [24]Sweden2012 174Staging4 MBq/kg (max dose 400 MBq)60–90 min p.i. wb PET (pelvis to neck), 2 min/FOV Diagnostic quality CT with contrast mediumFasting for 4 hours before tracer injection

18Marzola et al. [7]Italy2013233Restaging3 MBq/kg5–10 min p.i. static acquisition of the pelvis (1 FOV of 4 min) 60 min p.i. wb scan from the orbitomeatal level to the superior portion of the thighs (6-7 FOVs, 3 min/FOV)Low dose CT no contrast6-hour fasting and 1-hour avoidance of liquids to reduce bladder filling before tracer injection. Voiding was requested immediately before scanning to minimize the presence of tracer in the urinary tract.

19Beheshti et al. [25]Austria2013250Restaging4.07 MBq/kg8 min dynamic PET images of the pelvis (1 min/frame) 1 min p.i.10 min (6-7 FOVs), 4 min/FOV If abnormal tracer uptake further delayed static image at 90–120 minLow dose CT + diagnostic CT in 60% of the pts

20Calabria et al. [26]Italy2014300Staging − restaging300 MBq range, 240–340 MBq45 min p.i. wb scan, 5-7 FOVs, 3 min/FOVDelayed if neededLow dose CT + diagnostic CT, unenhancedFasting for at least 6 hours, on the week before diet avoiding foods containing high levels of choline.

21Afshar-Oromieh et al. [27]Germany201438Restaging3 MBq/kg.60 min p.i 4 min/FOVLow dose CT no constrast medium

22Buchegger et al. [28]Switzerland201423Restaging307 ± 16 MBqTracer injection after the CT scan. 10 min list-mode acquisition on the prostate bed starting immediately with the tracer injection generating -min time frames corresponding to 0 to 3 min, 3 to 6 min, and 6 to 9 min after injection.10 min after injection standard wb 7-8 FOVs, 3-4 min/FOV each depending on patient size and weight. Two additional late images of 5 min each of the pelvis immediately after the wb PET scan (about 45 min after tracer injection).Low dose CTFasting for at least 4 hours before the FCH.
Empty bladder on scanning.

23Detti et al. [29]Italy2013 129Restaging3.7 MBq/kgPelvic region 1 min p.i. 2-3 FOVs, 2 min/FOV60 min p.i. 8-9 FOVs, 2 min/FOVFasting for 6 hours before tracer injection

24Hausmann et al. [30]Germany201432Restagingmean  MBq60 min p.i. 8 bed positions