Dataset Information

Endoscopic Tumor Length Should Be Reincluded in the Esophageal Cancer Staging System: Analyses of 662 Consecutive Patients.

ABSTRACT: Esophageal cancer represents the 6th cause of cancer mortality in the World. New treatments led to outcome improvements, but patient selection and prognostic stratification is a critical aspect to gain maximum benefit from therapies. Today, patients are stratified into 9 prognostic groups, according to a staging system developed by the American Joint Committee on Cancer. Recently, trying to better select patients with curing possibilities several authors are reconsidering tumor length as a valuable prognostic parameter. Specifically, endoscopic tumor length can be easily measured with an esophageal endoscopy and, if its utility in esophageal cancer staging is demonstrated, it may represent a simple method to identify high risk patients and an easy-to-obtain variable in prognostic stratification. In this study we retrospectively analyzed 662 patients treated for esophageal cancer, stratified according to cancer histology and current staging system, to assess the possible role of endoscopic tumor length. We found a significant correlation between endoscopic tumor length, current staging parameters and 5-year survival, proving that endoscopic tumor length may be used as a simple risk stratification tool. Our results suggest a possible indication for preoperative therapy in early stage squamocellular carcinoma patients without lymph nodes involvement, who are currently treated with surgery alone.

SUBMITTER: Valmasoni M

PROVIDER: S-EPMC4835067 | biostudies-literature | 2016

REPOSITORIES: biostudies-literature

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Endoscopic Tumor Length Should Be Reincluded in the Esophageal Cancer Staging System: Analyses of 662 Consecutive Patients.

Valmasoni Michele M Pierobon Elisa Sefora ES Ruol Alberto A De Pasqual Carlo Alberto CA Zanchettin Gianpietro G Moletta Lucia L Salvador Renato R Costantini Mario M Merigliano Stefano S

PloS one 20160418 4

Esophageal cancer represents the 6th cause of cancer mortality in the World. New treatments led to outcome improvements, but patient selection and prognostic stratification is a critical aspect to gain maximum benefit from therapies. Today, patients are stratified into 9 prognostic groups, according to a staging system developed by the American Joint Committee on Cancer. Recently, trying to better select patients with curing possibilities several authors are reconsidering tumor length as a valua ...[more]

PMID: 27088503

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Project description:BackgroundAccurate prediction of tumor invasion depth in superficial esophageal squamous carcinoma (SESC) is essential for deciding the appropriate treatment strategy. We proposed novel endoscopic criteria to differentiate between mucosal and submucosal esophageal cancers and to evaluate the diagnostic accuracy and usefulness of the criteria.MethodsA total of 352 patients who underwent endoscopic or surgical resection for SESC between 1991 and 2010 were included. First, the novel endoscopic criteria were created based on the endoscopic features of 60 randomly selected patients as follows: for T1m cancers, I. flat or slightly elevated or depressed lesion with smooth/even surface of any size, II. slightly elevated lesion of ≤ 1 cm with granular or uneven surface, III. hyperemic flat lesion of ≤ 3 cm with granular or uneven surface, IV. slightly depressed lesion of ≤ 2 cm with uneven surface and for T1sm cancers, I. irregularly (unevenly) nodular or protruded lesion of any size, II. slightly elevated lesion of > 1 cm with granular or uneven surface, III. hyperemic flat lesion of > 3 cm with granular or uneven surface, IV. irregularly (unevenly) depressed lesion of > 2 cm, and V. ulcerative lesion of any size. Next, the endoscopic findings of the remaining 292 patients were reviewed according to the criteria.ResultsThe accuracy of novel endoscopic criteria was 79.5% (232/292). The sensitivity and specificity of mucosal cancers were 78.4% and 81.0%, respectively, whereas those for submucosal cancers were 81.0% and 78.4%, respectively. The accuracy for mucosal cancers was high (97.3%, 72/74) when the lesions were flat or slightly elevated/depressed with smooth/even surface regardless of size, whereas that for submucosal cancers was high (85.7%, 18/21) when the lesions were irregular/nodular protrusions regardless of size. In multivariate analysis, macroscopic type IIb lesion was identified as an independent factor affecting accuracy (P < 0.05). The difference in recurrence-free survival rates between endoscopically mucosal and submucosal cancers was significant (P = 0.026).ConclusionThe novel endoscopic criteria appear to be accurate and useful in predicting invasion depth in SESC. Our criteria might help not only to decide the treatment strategy between surgery and endoscopic resection but also to predict the outcomes of SESC.

Dataset Information

Endoscopic Tumor Length Should Be Reincluded in the Esophageal Cancer Staging System: Analyses of 662 Consecutive Patients.

Publications

Endoscopic Tumor Length Should Be Reincluded in the Esophageal Cancer Staging System: Analyses of 662 Consecutive Patients.

Similar Datasets

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