Role of induction chemotherapy in sinonasal malignancies: a systematic review.
(Journal Article;Systematic Review)
BACKGROUND: Cancers of the paranasal sinuses are rare tumors that tend to be aggressive and usually are diagnosed at an advanced stage. Despite being rare, these tumors include a wide spectrum of histological subtypes with different biological behaviors. Choosing the optimal treatment modalities and analyzing the different oncological outcomes is therefore challenging. This study aims to evaluate the role of induction chemotherapy prior to definitive local therapy for sinonasal malignancies. METHODS: A systematic review of the literature in accordance with Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines was conducted. With the assistance of a medical librarian, data sources including MEDLINE, PubMed, Cochrane library, EMBASE, NCBI Bookshelf, National Guideline Clearinghouse, and Clinicaltrials.gov were searched using a customized search strategy that yielded 1758 articles. Inclusion criteria used were as follows: (1) the study has a patient population with 3 or more patients with previously untreated sinonasal malignancies; (2) patients underwent induction chemotherapy prior to definitive local therapy; (3) pretreatment staging information was documented; (4) overall survival was reported by histology type either in table or Kaplan-Meier format. Nine studies with 220 patients ultimately met inclusion criteria and were analyzed in groups based on tumor histology. RESULTS: For squamous cell carcinoma (SCC), the 5-year overall survival was 51%. For neuroendocrine tumors, the 5-year overall survival was 78%. Eighteen percent (18%) of patients with pretreatment orbital involvement ultimately underwent orbital exenteration. CONCLUSION: Induction chemotherapy in the management of sinonasal malignancies has similar overall survival outcomes as other standard treatment modalities and can be offered as an option to patients as part of multimodality therapy.
Khoury, T; Jang, D; Carrau, R; Ready, N; Barak, I; Hachem, RA
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