Please select the eligibility criteria that correspond to the clinical trial below.
Title: Impact of PET Scan on the Curative Strategy of Colo-rectal Cancers : A Randomized Study
Brief Summary: The risk of recurrence in stage III and IV of colorectal cancers (CRC) is high during the three years following the tumoral resection with curative aim. Therefore, a prolonged follow-up and an intense monitoring are recommended to detect these recurrences precociously. Nevertheless, current consensual morphological and biological examinations are not very contributory, of difficult interpretation and expensive. The metabolic imagery in tomoscintigraphy by emission of positron coupled with the scanner, called PET-TDM, allows to identify more specifically recurrences, analyzes the whole body, detects hepatic metastasis more precociously and give some benefice for early diagnosis of lymph nodes recurrence. The principle purpose of this study is to evaluate if the systematic follow-up per PET-TDM allows detecting more often recurrences accessible to a curative surgery. We make the hypothesis that the systematic practice of PET- tomodensitometry (TDM) during the follow-up of CRC allows to decrease non curative recurrences appearance during the 3 years follow-up after a curative surgery.


Options:
A: Inclusion Criteria:

* Histologically proven malignancy of the breast
* Curative treatment
* Dominated the dutch language
* Age \> 18 year

Exclusion Criteria:

* Previously treated for a malignancy
* Psychiatric problems that adherence this study
B: Inclusion Criteria:

* Patients with a removed colorectal adenocarcinoma since less than 6 months, in total remission and for whom a monitoring is necessary to detect recurrences precociously.
* Patients with a removed colorectal tumour which is histologically proved and classified N+ and/or M+ (stage III or IV). Hepatic and/or pulmonary metastasis would have been totally removed since less 6 months before inclusion.
* Patients with a T4N0M0 tumour and operated in emergency (because of a tumoral perforation) can be included. (suppressed by amendment 1)
* 2 before criteria have been replaced by : Patients with colorectal adenocarcinoma which is histologically proved and classified stage II perforated, III or IV, totally removed, in total remission,
* if no metastatic, removed surgery must have been done since less 6 months;
* if metastatic, all metastasis would have been removed, the last surgery dating less 6 months.(amendment 1)
* Casual extension check-up would have been realized before initial surgery or during a period of 6 months after surgery performed in emergency.
* informed consent signed
* Age ≥ 18 years
* Patient in ability to undergone hepatic or pulmonary resection in case of recurrence during the follow-up (ECOG ≤ 2)
* Willingness to control visits

Exclusion Criteria:

* pregnant or breast feeding women, or with a reproductive potential and no practicing an effective method of contraception during the second part of ovarian cycle ( PET is realised during the first part of ovarian cycle)
* Cancer stage I or II (except T4 operated in emergency) or IV without possibility to remove metastasis or R2 after surgery.
* Performance status contraindicating a hepatic or pulmonary surgery in case of recurrence.
* Patients likely to undergone chemotherapy, surgery or radiotherapy during 2 weeks before PET-TDM.
* Other progressive tumoral affection known, or colorectal cancer in progression.

  • (Bad compliance to the study procedure.)(suppressed by amendment 1)
* Not balanced diabetes. (added by amendment 1)
* Patients included in others clinical trials of imagery.
* Inability to provide informed consent signed.
* No social assurance.
C: Inclusion Criteria:

1. Have you diagnosed with non-metastatic (i.e., stages I - III) cancer (non-melanoma skin cancer)
2. Have you completed acute treatment with intent to cure within the past 2 months (ongoing long-term maintenance therapy such as adjuvant hormonal therapy is allowed)
3. What clinician primarily managed your cancer treatment? (must be a participating Sibley or Suburban clinician)

Exclusion Criteria:

1. Do you show any evidence of disease?
D: Inclusion Criteria:

* Radical surgery (R0-resection) for colorectal adenocarcinoma - with or without adjuvant treatment
* Age \< 75 years
* Provision of written informed consent for participation
* "Clean colon" verified by perioperative barium enema or colonoscopy last 3 months post-surgery
* Tumour stage: II-III (Tany N1-2 M0, T3-4NanyM0, Dukes´ B - C)

Exclusion Criteria:

* A clinical diagnosis of HNPCC (non hereditary polyposis colorectal cancer) or FAP (familial polyposis coli)
* Local resection for colorectal cancer (e.g., TEM-procedure)
* Life-expectancy less than 2 years due to concurrent disease (e.g., cardiac disease, terminal multiple sclerosis, liver cirrhosis)
* Inability to provide informed consent or refusal to do so
* Inability to comply with the control or intense follow-up program
* Participation in other clinical trials interfering with the control-programs
* Previous malignancies (except for non-melanoma skin cancer)

Answer: B