Contemporary Approach to Locally Advanced Oral Cavity Squamous Cell Carcinoma

AbstractPurpose of ReviewSurgical management of locally advanced oral cavity squamous cell carcinomas (OCSCC) has long been recognized as a primary treatment modality. Technological advances have led to significant improvements in our surgical approach, from improvement in the visualization of tumors to more efficient and precise reconstruction. Here, we review the latest technological advances in surgical extirpation and reconstruction of locally advanced OCSCCs.Recent FindingsThe focus of technological innovation in surgical extirpation has been on improving visualization, with the use of intraoperative ultrasound for margin delineation, intraoperative navigation, narrow-band imaging, and the use of fluorescence. Though early, these are promising steps to ensuring complete resection of the cancer. Advances in reconstruction have been centered on the incorporation of computer assisted design, manufacturing, and virtual surgical planning, allowing for more complex three-dimensional defects to be expeditiously reconstructed.SummaryAs these technologies are still under development, their impact on oncologic outcomes are not yet robustly defined; however, as technology continues to advance and become more widely available, new technologies will undoubtedly become integrated into enhancing surgical precision and planning.
Source: Current Oncology Reports - Category: Cancer & Oncology Source Type: research

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Authors: Bai S, Yan YB, Chen W, Zhang P, Zhang TM, Tian YY, Liu H Abstract High-throughput gene expression profiling has recently emerged as a promising technique that provides insight into cancer subtype classification and improved prediction of prognoses. Immune/inflammatory-related mRNAs may potentially enrich genes to allow researchers to better illustrate cancer microenvironments. Oral cavity squamous cell carcinoma (OC-SCC) exhibits high morbidity and poor prognosis compared to that of other types of head and neck squamous cell carcinoma (HNSCC), and these differences may be partially due to differences withi...
Source: Journal of Oncology - Category: Cancer & Oncology Tags: J Oncol Source Type: research
AbstractWe performed a prospective trial to assess the clinical benefit of a tailored gene set built on a next-generation sequencing (NGS) platform in patients with recurrent or metastatic head and neck squamous cell carcinoma (HNSCC). Archived tumor tissue obtained from patients with recurrent or metastatic HNSCC was analyzed for variants by a tailored Comprehensive Cancer Gene set of 40 genes (CCG-40) performed on a NGS platform. These data were provided to clinicians to inform treatment decisions. The primary endpoint was clinical benefit (disease control) that resulted from selection and administration of a targeted th...
Source: Medical Oncology - Category: Cancer & Oncology Source Type: research
Conclusion.Compared with SCCHN, SmCCHN carries a worse survival and is more likely to present with more advanced stage.Implications for Practice.Small cell carcinoma of the head and neck (SmCCHN) is a rare subtype of head and neck cancer. In this Surveillance, Epidemiology, and End Results (SEER) data analysis, the characteristics and survival of SmCCHN are compared with those of the common squamous cell carcinoma of the head and neck. Results show that SmCCHN carries a worse prognosis and tends to present at a more advanced stage; SmCCHN also is ten times more likely to originate from the salivary glands. These findings m...
Source: The Oncologist - Category: Cancer & Oncology Authors: Tags: Head and Neck Cancers Source Type: research
AbstractBackground.DNA copy number variations (CNVs) are a hallmark of cancer, and the current study aimed to demonstrate the profile of the CNVs for oral cavity squamous cell carcinoma (OSCC) and elucidate the clinicopathological associations and molecular mechanisms of a potential marker derived from CNVs, mixed‐lineage leukemia translocated to chromosome 3 protein (MLLT3), in OSCC carcinogenesis.Materials and Methods.CNVs in 37 OSCC tissue specimens were analyzed using a high‐resolution microarray, the OncoScan array. Gene expression was analyzed by real‐time polymerase chain reaction in 127 OSCC and normal tissue...
Source: The Oncologist - Category: Cancer & Oncology Authors: Tags: Head and Neck Cancers Source Type: research
The carcinogenesis in the oral cavity occurs as a multistep process and is often preceded by potentially malignant lesions. The main risk factors for the development of oral cancer are smoking and alcohol intake. The current challenge is to identify patients at greatest risk for the development of oral cancer using noninvasive and effective methods. The aim of this study is to evaluate the microsatellite mutations in the 9p21 locus, the cell proliferative activity, the pattern of epithelial desquamation, and the nucleus/cytoplasm ratio of exfoliated epithelial cells. Cytopathological samples were collected from 131 individ...
Source: European Journal of Cancer Prevention - Category: Cancer & Oncology Tags: Oral Cancer Source Type: research
Opinion statementStandard-of-care treatment for the majority of patients with locoregionally advanced squamous cell carcinoma of the head and neck (SCCHN) is either upfront surgery followed by adjuvant treatment as indicated by intraoperative or pathologic findings or concurrent chemoradiation reserving surgical salvage for non-responsive disease. An attempt at upfront complete resection should be pursued if feasible in patients with oral cavity or paranasal sinus primary tumors. Given multimodality treatment paradigms, patients with locoregionally advanced SCCHN should be managed in a multidisciplinary setting. Modern rad...
Source: Current Treatment Options in Oncology - Category: Cancer & Oncology Source Type: research
Introduction and Aim: The 8th Edition of the American Joint Committee on Cancer (AJCC) staging manual was recently introduced. Staging of oral cavity squamous cell carcinoma saw changes in relation to depth of invasion and extra-nodal extension. We aimed to evaluate this system and its prognostic ability in a UK cohort.
Source: The British Journal of Oral and Maxillofacial Surgery - Category: ENT & OMF Authors: Tags: 25 Source Type: research
In conclusion, the present study demonstrated that baicalein suppresses the growth of OSCC cells through an Sp1/NF‑κB‑dependent mechanism. PMID: 31746368 [PubMed - as supplied by publisher]
Source: International Journal of Oncology - Category: Cancer & Oncology Authors: Tags: Int J Oncol Source Type: research
Lee Fah Yap Ian C. Paterson Head and neck squamous cell carcinoma (HNSCC) is the sixth most common cancer worldwide and includes squamous cell carcinomas of the oropharynx and oral cavity. Patient prognosis has remained poor for decades and molecular targeted therapies are not in routine use. Here we showed that the overall expression of collagen subunit genes was higher in cancer-associated fibroblasts (CAFs) than normal fibroblasts. Focusing on collagen8A1 and collagen11A1, we showed that collagen is produced by both CAFs and tumour cells, indicating that HNSCCs are collagen-rich environments. We then focused on ...
Source: Cancers - Category: Cancer & Oncology Authors: Tags: Article Source Type: research
Abstract Dysplastic leukoplakia (LP) of the oral cavity is a potentially malignant condition for oral squamous cell carcinoma (OSCC), early detection of which remains an unmet clinical need. In an effort to develop non-invasive biomarker based method for early detection of the disease, differential proteomic profiling was carried out with the saliva from patients with risk habits and diagnosed with LP and those with lymph node negative and positive OSCC in comparison to healthy controls with risk habits. Ninety three proteins were observed at elevated level (≥1.5 fold), and 30 were prioritized based on a scorin...
Source: Journal of Proteomics - Category: Biochemistry Authors: Tags: J Proteomics Source Type: research
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