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Eur Radiol. 2011 Feb;21(2):274-80. doi: 10.1007/s00330-010-1943-z. Epub 2010 Sep 4.

Additional benefit of ¹⁸F-fluorodeoxyglucose integrated positron emission tomography/computed tomography in the staging of oesophageal cancer.

Author information

1
Department of Medical Oncology, Oxford Cancer and Haematology Centre, Churchill Hospital, Oxford, UK. rgillies@doctors.org.uk

Abstract

OBJECTIVE:

¹⁸F-fluorodeoxyglucose positron emission tomography (FDG PET) has been shown to improve the accuracy of staging in oesophageal cancer. We assessed the benefit of PET/CT over conventional staging and determined if tumour histology had any significant impact on PET/CT findings.

METHODS:

A retrospective cohort study, reviewing the results from 200 consecutive patients considered suitable for radical treatment, undergoing routine PET/CT staging comparing the results from CT and endoscopic ultrasound, as well as multi-disciplinary team records. Adenocarcinoma and squamous cell carcinoma were compared for maximum Standardised Uptake Value (SUV(max)), involvement of local lymph nodes and distant metastases.

RESULTS:

PET/CT provided additional information in 37 patients (18.5%) and directly altered management in 34 (17%): 22 (11%) were upstaged; 15 (7.5%) were downstaged, 12 of whom (6%) received radical treatment. There were 11 false negatives (5.5%) and 1 false positive (0.5%). SUV(max) was significantly lower for adenocarcinoma than squamous cell carcinoma (median 9.1 versus 13.5, p = 0.003).

CONCLUSIONS:

Staging with PET/CT offers additional benefit over conventional imaging and should form part of routine staging for oesophageal cancer. Adenocarcinoma and squamous cell carcinoma display significantly different FDG-avidity.

PMID:
20821013
DOI:
10.1007/s00330-010-1943-z
[Indexed for MEDLINE]

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