Abstract:
BACKGROUND:Cellular Dissociation Grade (CDG) composed of tumour budding and cell nest size has been shown to independently predict prognosis in pre-therapeutic biopsies and primary resections of oesophageal squamous cell carcinoma (ESCC). Here, we aimed to evaluate the prognostic impact of CDG in ESCC after neoadjuvant therapy. METHODS:We evaluated cell nest size and tumour budding activity in 122 post-neoadjuvant ESCC resections, correlated the results with tumour regression groups and patient survival and compared the results with data from primary resected cases as well as pre-therapeutic biopsies. RESULTS:CDG remained stable when results from pre-therapeutic biopsies and post-therapeutic resections from the same patient were compared. CDG was associated with therapy response and a strong predictor of overall, disease-specific (DSS) and disease-free (DFS) survival in univariate analysis and-besides metastasis-remained the only significant survival predictor for DSS and DFS in multivariate analysis. Multivariate DFS hazard ratios reached 3.3 for CDG-G2 and 4.9 for CDG-G3 neoplasms compared with CDG-G1 carcinomas (p = 0.016). CONCLUSIONS:CDG is the only morphology-based grading algorithm published to date, which in concert with regression grading, is able to contribute relevant prognostic information in the post-neoadjuvant setting of ESCC.
journal_name
Br J Cancerjournal_title
British journal of cancerauthors
Jesinghaus M,Boxberg M,Wilhelm D,Münch S,Dapper H,Quante M,Schlag C,Lange S,Budczies J,Konukiewitz B,Mollenhauer M,Schlitter AM,Becker KF,Feith M,Friess H,Steiger K,Combs SE,Weichert Wdoi
10.1038/s41416-019-0623-2subject
Has Abstractpub_date
2019-12-01 00:00:00pages
1050-1057issue
12eissn
0007-0920issn
1532-1827pii
10.1038/s41416-019-0623-2journal_volume
121pub_type
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