PERI-TUMORAL INFLAMMATORY CELL INFILTRATION IN OSCC:A RELIABLE MARKER OF LOCAL RECURRENCE AND PROGNOSIS?AN INVESTIGATION USING ARTIFICIAL NEURAL NETWORKS

Domenica Matranga, Giuseppina Campisi, Vera Panzarella, Carella, Santarelli, Mazzotta, Lorenzo Lo Muzio, L. Lo Lo Muzio, Rubini, Stefano Fedele, Carinci, Francesco Maria Calvino

Risultato della ricerca: Articlepeer review

3 Citazioni (Scopus)

Abstract

The presence of inflammatory reaction in peri-tumoural connective tissue is generally considered as a defense mechanism against cancer, but inflammation tissue in malignant transformation and early steps of oncogenesis has been recently proven to play a supporting and aggravating role in some carcinomas. Aims of this retrospective study were to evaluate in OSCCs the independent association of peri-tumoral inflammatory infiltrate (PTI) with local recurrence (LR) or survival outcome, and to verify whether PTI can be considered a marker of prognosis. Data from 211 cases of OSCC, only surgically treated between 1990 and 2000, were collected and retrospectively analyzed for PTI and the event LR (5 yrs follow-up at least) by means of univariate-multivariate and neural networks analyses. Patients (mean age 65.3 ± 12.4 yrs, M/F = 2.98) showed presence of PTI in 68.2% (144/211): (+) in 27.0%, (++) in 25.6%, (+++) 15.6%; PTI was found reduced in 24.7% of cases and absent in 7.1%. In overall PTI+ve group (n=144), 66 were TNM Stage I, 33 Stage II, 45 Stage III, none Stage IV. LR (mean 6 ± 4 months) was present in 87/211 (41.2%) patients, of which 43/144 (29.8%) in OSCCs with PTI [23 (+), 13 (++) and 7 (+++)] vs. 44/67 (65.7%) in OSCC with PTI -/+ or PTI-ve ones. By univariate analysis, PTI+ve cases showed a significant lower risk to have LR (p <0.0001; OR= 0.2297; CI= 0.1277:0.4134) vs PTI -/+ or -ve ones, especially among cases with higher PTI value (+++) (OR= 0.1718; CI= 0.0749:0.3939). Multivariate analyses (Logit model and neural networks) confirmed the same datum: presence of PTI was an independent predictive variable accounting for a better tumoural outcome without LR (Logit and neural networks values: OR' 0.226; CI= 0.113:0.454; ROC Area = 0.66, respectively). In terms of prognostic significance, elevated PTI was found to have an independent association with the poorest overall survival rate (P = 0.056). Our findings strongly suggest the importance to investigate routinely PTI in OSCCs, as useful marker of tumoral behavior and prognosis, and warrant further studies.
Lingua originaleEnglish
pagine (da-a)113-120
Numero di pagine8
RivistaInternational Journal of Immunopathology and Pharmacology
Volume24
Stato di pubblicazionePublished - 2011

All Science Journal Classification (ASJC) codes

  • Immunology and Allergy
  • Immunology
  • Pharmacology

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