[en] BACKGROUND: Positron emission tomography (PET) has been shown useful for the staging of patients with various carcinomas. METHODS: We have applied this technique to 54 cases of colorectal carcinoma and compared it to conventional imaging techniques. RESULTS: PET had moderately higher sensitivity and specificity than conventional techniques to detect individual lesion sites (75% vs 70.8% and 63% vs 21% respectively). It detected the same number of patients with recurrences (35/39) but overestimated disease less frequently (5 cases vs 12). PET favorably influenced therapeutic management in 17 patients, indicating different or additional surgery in 9 while avoiding surgery with curative intent or unnecessary surgery in 8. In 5 cases, erroneous information provided by PET could be corrected by conventional imaging techniques. CONCLUSION: We conclude that PET appears to provide complementary information useful for staging patients with colorectal carcinomas. It can significantly modify patients management. These data should be confirmed by a prospective study.
Disciplines :
Radiology, nuclear medicine & imaging
Author, co-author :
Hustinx, Roland ; Université de Liège - ULiège > Département des sciences cliniques > Médecine nucléaire
Paulus, P.
Daenen, Frédéric ; Centre Hospitalier Universitaire de Liège - CHU > Médecine nucléaire
Detroz, Bernard ; Centre Hospitalier Universitaire de Liège - CHU > Chirurgie abdominale- endocrinienne et de transplantation
Honore, Pierre ; Centre Hospitalier Universitaire de Liège - CHU > Chirurgie abdominale- endocrinienne et de transplantation
Comhair, Nicole ; Centre Hospitalier Universitaire de Liège - CHU > Administration des patients - Expédition
Rigo, Pierre ; Université de Liège - ULiège > Département des sciences de la motricité > Pathologie générale et médecine nucléaire
Language :
French
Title :
Interet clinique de la tomographie a emission de positons dans la detection et le bilan d'extension des recidives des cancers colorectaux
Alternative titles :
[en] Clinical Value of Positron Emission Tomography in the Detection and Staging of Recurrent Colorectal Cancer
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