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https://www.readbyqxmd.com/read/28212555/construction-of-a-pathological-risk-model-of-occult-lymph-node-metastases-for-prognostication-by-semi-automated-image-analysis-of-tumor-budding-in-early-stage-oral-squamous-cell-carcinoma
#1
Nicklas Juel Pedersen, David Hebbelstrup Jensen, Giedrius Lelkaitis, Katalin Kiss, Birgitte Charabi, Lena Specht, Christian von Buchwald
It is challenging to identify at diagnosis those patients with early oral squamous cell carcinoma (OSCC), who have a poor prognosis and those that have a high risk of harboring occult lymph node metastases. The aim of this study was to develop a standardized and objective digital scoring method to evaluate the predictive value of tumor budding. We developed a semi-automated image-analysis algorithm, Digital Tumor Bud Count (DTBC), to evaluate tumor budding. The algorithm was tested in 222 consecutive patients with early-stage OSCC and major endpoints were overall (OS) and progression free survival (PFS)...
February 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/28209383/expression-pattern-of-heat-shock-protein-90-in-patients-with-oral-squamous-cell-carcinoma-in-northern-taiwan
#2
W-C Chang, P-T Tsai, C-K Lin, Y-S Shieh, Y-W Chen
Heat shock protein 90 (HSP90), which is expressed in cancer cells, profoundly affects progression, invasion, and metastasis. However, to our knowledge, in East Asia, the correlation between the expression of HSP90 and clinicopathological variables has seldom been discussed. We therefore investigated this and its prognostic value in 36 patients newly diagnosed with oral squamous cell carcinoma (SCC) in northern Taiwan. Samples of tumour and normal samples from the patients were compared immunohistochemically...
February 13, 2017: British Journal of Oral & Maxillofacial Surgery
https://www.readbyqxmd.com/read/28182650/tropomyosin-1-acts-as-a-potential-tumor-suppressor-in-human-oral-squamous-cell-carcinoma
#3
Hao Pan, Liqun Gu, Binjie Liu, Yiping Li, Yuehong Wang, Xinna Bai, Long Li, Baisheng Wang, Qian Peng, Zhigang Yao, Zhangui Tang
It is widely accepted that oral squamous cell carcinoma (OSCC) is a major contributor to the incidence and mortality of neck and head cancer. Tropomyosin-1 (TPM1), which is expressed at a low level, has been considered a prominent tumor-suppressing gene in a variety of solid tumors, although the precise mechanism of the TPM1 gene in OSCC progression remains unknown. We found that TPM1 expression levels decreased in OSCC patients and OSCC cell lines. The overall and cancer-specific survival of patients who exhibited low TPM1 levels were inferior to those of patients who had high TPM1 levels...
2017: PloS One
https://www.readbyqxmd.com/read/28166075/clinico-histopathological-survey-of-head-and-neck-cancer-at-tertiary-health-care-centre-dhulikhel-hospital
#4
S Dixit, C Upadhyaya, M Humagain, R Srii, V Marla
Background Head and neck is one of the most prevalent site for cancers along with lungs, cervix, breast and stomach. Hospital based cancer registries required for effective evaluation of diagnosis and management of cancer is inadequate in Nepal. Cancer registry system established by WHO is acquired by seven major hospitals in our country. However, data from tertiary health care centres like ours remain undocumented. Objective The objective of this study is to perform retrospective analysis of clinicohistopathological types of head and neck lesions which were eventually diagnosed as cancer in Dhulikel Hospital, a tertiary health care centre of Central East Nepal...
April 2016: Kathmandu University Medical Journal (KUMJ)
https://www.readbyqxmd.com/read/28157713/the-subclonal-structure-and-genomic-evolution-of-oral-squamous-cell-carcinoma-revealed-by-ultra-deep-sequencing
#5
Siavosh Tabatabaeifar, Mads Thomassen, Martin J Larsen, Stine R Larsen, Torben A Kruse, Jens A Sørensen
Recent studies suggest that head and neck squamous cell carcinomas are very heterogeneous between patients; however the subclonal structure remains unexplored mainly due to studies using only a single biopsy per patient. To deconvolute the clonal structure and describe the genomic cancer evolution, we applied whole-exome sequencing combined with ultra-deep targeted sequencing on oral squamous cell carcinomas (OSCC). From each patient, a set of biopsies was sampled from distinct geographical sites in primary tumor and lymph node metastasis...
February 2, 2017: Oncotarget
https://www.readbyqxmd.com/read/28132110/the-added-value-of-spect-ct-for-the-identification-of-sentinel-lymph-nodes-in-early-stage-oral-cancer
#6
Inne J den Toom, Annelies van Schie, Stijn van Weert, K Hakki Karagozoglu, Elisabeth Bloemena, Otto S Hoekstra, Remco de Bree
PURPOSE: To assess the role of single-photon emission computed tomography with computed tomography (SPECT-CT) for the identification of sentinel lymph nodes (SLNs) in patients with early stage (T1-T2) oral cancer and a clinically negative neck (cN0). METHODS: In addition to planar lymphoscintigraphy, SPECT-CT was performed in 66 consecutive patients with early stage oral cancer and a clinically negative neck. The addition of SPECT-CT to planar images was retrospectively analyzed for the number of additional SLNs, more precise localization of SLNs, and importance of anatomical information by a team consisting of a nuclear physician, surgeon, and investigator...
January 29, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28128848/head-and-neck-cancers-major-changes-in-the-american-joint-committee-on-cancer-eighth-edition-cancer-staging-manual
#7
William M Lydiatt, Snehal G Patel, Brian O'Sullivan, Margaret S Brandwein, John A Ridge, Jocelyn C Migliacci, Ashley M Loomis, Jatin P Shah
Answer questions and earn CME/CNE The recently released eighth edition of the American Joint Committee on Cancer (AJCC) Staging Manual, Head and Neck Section, introduces significant modifications from the prior seventh edition. This article details several of the most significant modifications, and the rationale for the revisions, to alert the reader to evolution of the field. The most significant update creates a separate staging algorithm for high-risk human papillomavirus-associated cancer of the oropharynx, distinguishing it from oropharyngeal cancer with other causes...
January 27, 2017: CA: a Cancer Journal for Clinicians
https://www.readbyqxmd.com/read/28119088/lncrna-tug1-regulates-the-oral-squamous-cell-carcinoma-progression-possibly-via-interacting-with-wnt-%C3%AE-catenin-signaling
#8
Shuang Liang, Songzi Zhang, Peng Wang, Chao Yang, Chen Shang, Jianjun Yang, Jun Wang
Oral squamous cell carcinoma (OSCC) is one the most common cancer affecting the head and neck region, and the molecular mechanisms underlying OSCC development is largely unknown. Long non-coding RNAs (lncRNAs) are emerging as key regulators in tumor development. The present study aimed to investigate the role of lncRNA, taurine upregulated gene 1 (TUG1) in OSCC development. The mRNA and protein expression levels were determined by qRT-PCR and western blotting; flow cytometry and ELISA experiments were employed to examine the cell apoptosis; CCK-8 assay, MTT assay, colony formation assay, and cell invasion assay was used to determine cell growth, cell proliferation and cell invasion, respectively...
January 21, 2017: Gene
https://www.readbyqxmd.com/read/28108239/preoperative-ultrasonography-for-evaluation-of-clinically-n0-neck-in-oral-cavity-carcinoma
#9
Angel Rollon-Mayordomo, Teresa Creo-Martinez, Yolanda Marin-Lapeira, Juan-Andres Rodriguez-Ruiz, Pedro Infante-Cossio
The aim of this study was to evaluate preoperative ultrasound criteria to detect lymph node (LN) cervical metastasis in patients with clinically node-negative neck (cN0) oral cavity squamous cell carcinoma (OCSCC). A prospective, single-center, observational study was conducted in 90 patients undergoing cancer excision with or without elective neck dissection (END) between 2005 and 2012. A surgeon and an experienced radiologist performed preoperative cervical ultrasonography in all cases. The primary objective was to obtain an a priori sensitivity of 90% and specificity >50% in cN0 OCSCC staging...
December 21, 2016: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28107500/diagnostic-efficacy-of-sentinel-lymph-node-biopsy-in-early-oral-squamous-cell-carcinoma-a-meta-analysis-of-66-studies
#10
Muyuan Liu, Steven J Wang, Xihong Yang, Hanwei Peng
OBJECTIVES: The diagnostic efficacy of sentinel lymph node biopsy(SLNB) in early oral squamous cell carcinoma(OSCC) still remains controversial. This meta-analysis was conducted to assess the diagnostic value of SLNB in clinically neck-negative T1-2 OSCC. METHODS: A systematic literature search for relevant literature published up to September 11, 2016 was conducted in PubMed, Embase, Web of Science, Cochrane Library and ClinicalTrials, and the reference lists of eligible studies were examined...
2017: PloS One
https://www.readbyqxmd.com/read/28099223/median-lingual-lymph-nodes-prevalence-on-imaging-and-potential-implications-for-oral-cavity-cancer-staging
#11
Courtney M Tomblinson, Thomas H Nagel, Leland S Hu, Matthew A Zarka, Joseph M Hoxworth
OBJECTIVE: This study sought to estimate the prevalence of median lingual lymph node (MLLN) metastases from oral cavity squamous cell carcinoma (OCSCC) and determine the frequency with which MLLNs can be identified with magnetic resonance imaging (MRI) in control subjects. METHODS: Pathology reports were used to identify patients with surgically treated OCSCC who underwent preoperative positron emission tomography-computed tomography to define the prevalence of MLLN metastases...
January 18, 2017: Journal of Computer Assisted Tomography
https://www.readbyqxmd.com/read/28097311/association-of-lymphovascular-space-invasion-with-locoregional-failure-and-survival-in-patients-with-node-negative-oral-tongue-cancers
#12
Richard J Cassidy, Jeffrey M Switchenko, Naresh Jegadeesh, Mutlay Sayan, Matthew J Ferris, Bree R Eaton, Kristin A Higgins, Jeffrey T Wadsworth, Kelly R Magliocca, Nabil F Saba, Jonathan J Beitler
Importance: The indications for adjuvant therapy in resected oral tongue cancers are based on both clinical and pathological factors, with clear evidence for adjuvant radiation in patients with pathologically positive neck lymph nodes, positive margins, and extracapsular extension, but the data for patients with no nodal disease are sparse. Objective: To investigate determinants of failure and survival in patients with node-negative oral tongue cancer. Design, Setting, and Participants: Medical records for patients with oral tongue cancer treated with definitive surgery from 2003 to 2013 were reviewed...
January 12, 2017: JAMA Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/28095396/tenascin-c-and-fibronectin-expression-divide-early-stage-tongue-cancer-into-low-and-high-risk-groups
#13
Elias Sundquist, Joonas H Kauppila, Johanna Veijola, Rayan Mroueh, Petri Lehenkari, Saara Laitinen, Juha Risteli, Ylermi Soini, Veli-Matti Kosma, Iris Sawazaki-Calone, Carolina Carneiro Soares Macedo, Risto Bloigu, Ricardo D Coletta, Tuula Salo
BACKGROUND: Oral tongue squamous cell carcinoma (OTSCC) metastasises early, especially to regional lymph nodes. There is an ongoing debate on which early stage (T1-T2N0) patients should be treated with elective neck dissection. We need prognosticators for early stage tongue cancer. METHODS: Mice immunisation with human mesenchymal stromal cells resulted in production of antibodies against tenascin-C (TNC) and fibronectin (FN), which were used to stain 178 (98 early stage), oral tongue squamous cell carcinoma samples...
January 17, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28071618/clinico-pathological-factors-affecting-lymph-node-yield-in-indian-patients-with-locally-advanced-squamous-cell-carcinoma-of-mandibular-gingivo-buccal-sulcus
#14
S S Muttagi, B R Patil, A S Godhi, D K Arora, S R Hallikerimath, A D Kale
AIM: Lymph node yield (LNY) is a valid marker of prognosis in oral cancer. Precise estimation of LNY in Indian patients with T3/T4 gingivobuccal sulcus squamous cell carcinoma (GBS-SCC) has not been well documented. Hence, the primary objective of the study was to determine the LNY in patients with T3/T4 SCC of mandibular GBS, and the secondary objective was to study the association of LNY with clinicopathological factors such as tumor thickness, histological differentiation, number of positive nodes, and extracapsular spread (ECS)...
April 2016: Indian Journal of Cancer
https://www.readbyqxmd.com/read/28068878/long-term-control-of-hypercortisolism-by-vandetanib-in-a-medullary-thyroid-carcinoma-with-a-somatic-ret-mutation
#15
Anne-Cécile Paepegaey, Beatrix Cochand-Priollet, Estelle Louiset, Pierre Olivier Sarfati, Marco Alifano, Nelly Burnichon, Marie Bienvenu-Perrard, Najiba Lahlou, Léopoldine Bricaire, Lionel Groussin
CONTEXT: Medullary thyroid carcinomas (MTCs) complicated by ectopic Cushing's syndrome have a poor prognosis, partially due to the difficulties to control hypercortisolism by adrenal blocking drugs. Recent reports (including the initial follow-up of this patient) have suggested that tyrosine kinase inhibitors (TKIs) may be a therapeutic option due to an antisecretory action on ACTH. However, there is a lack of long-term follow-up studies. CASE DESCRIPTION: We report the case of a 58 year-old man with a MTC-related Cushing's syndrome resistant to a combination of several anticortisolic drugs...
January 9, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28045344/contrast-enhanced-ultrasound-mapping-of-sentinel-lymph-nodes-in-oral-tongue-cancer-a-pilot-study
#16
Gvetadze R Shalva, P Xiong, Mingming Lv, J Li, J Hu, Konstantin Ilkaev, Xin Yang, Jian Sun
OBJECTIVES: To assess the usefulness of contrast-enhanced ultrasound with peritumoral injection of microbubble contrast agent for detecting the sentinel lymph nodes for oral tongue carcinoma. METHODS: Preliminary study, case series. The study was carried out on 12 patients withT1-2cN0 oral tongue cancer. A radical resection of the primary disease was planned, a modified radical supraomohyoid neck dissection was reserved for patients owing larger lesions (T2, n=8)...
January 3, 2017: Dento Maxillo Facial Radiology
https://www.readbyqxmd.com/read/28042980/extensive-regional-metastasis-of-high-grade-mucoepidermoid-carcinoma-of-an-unknown-primary%C3%A2-tumor
#17
Naseem Ghazali, Alyssa Flashburg, Robert A Ord
PURPOSE: Mucoepidermoid carcinoma (MEC) is the most common salivary carcinoma. It arises most frequently in the major salivary glands, but can also arise in minor glands or intraosseous sites. MEC of an unknown primary occurs very rarely. The present report documents only the third case reported in medical studies. METHODS: A 66-year-old man with previous carcinoma in situ (CIS) of the left posterior oral tongue that had been excised in 2004 and again in 2010 presented with a hard lymph node, 3 × 2 cm at level II of the right neck in July 2015...
December 15, 2016: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28029423/prognostic-factors-in-mandibular-gingival-squamous-cell-carcinoma-a-10-year-retrospective-study
#18
L X Niu, Z E Feng, D C Wang, J Y Zhang, Z P Sun, C B Guo
The mandibular gingiva is the second most common site of oral cavity squamous cell carcinoma. This retrospective study was designed to determine the clinicopathological features of squamous cell carcinoma of the mandibular gingiva (MGSCC) and to establish a new risk model to predict overall survival. The study included 207 patients with primary MGSCC from January 2000 to September 2009. The medical charts were reviewed and data related to clinical characteristics, treatment provided, histopathological analysis, and follow-up were recorded...
February 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28028129/long-term-outcomes-after-carbon-ion-radiotherapy-for-oral-mucosal-malignant-melanoma
#19
Kensuke Naganawa, Masashi Koto, Ryo Takagi, Azusa Hasegawa, Hiroaki Ikawa, Kazuo Shimozato, Tadashi Kamada, Yoshitaka Okamoto
Oral mucosal malignant melanoma (OMM) is extremely rare and has a poor prognosis. Owing to its rarity, it has not yet been possible to establish an optimal treatment modality. The objective of this study was to evaluate the long-term efficacy of carbon-ion radiotherapy (C-ion RT) for OMM. Between 1997 and 2013, 19 patients with OMM were treated with C-ion RT alone. Patient ages ranged from 44 to 84 years (median, 69 years). Nine men and 10 women were included. OMMs were restaged in accordance with the seventh edition of the tumour/node/metastasis (TNM) Staging System of the International Union Against Cancer...
December 26, 2016: Journal of Radiation Research
https://www.readbyqxmd.com/read/28008391/evaluation-of-the-correlation-between-cd44-tumor-prognosis-and-the-5-year-survival-rate-in-patients-with-oral-tongue-scc
#20
Reza Kaboodkhani, Ebrahim Karimi, Mohammad Taghi Khorsandi Ashtiani, Safoura Kowkabi, Mohammad Reza Firouzifar, Farzad Yazdani, Nasrin Yazdani
INTRODUCTION: 90% of the tumors in the head and neck are squamous-cell carcinomas (HNSCC), which have overall 5- year survival rate between 50% -60%. CD44 has been shown to be associated with the prognosis. MATERIALS AND METHODS: Biopsy specimens of 51 patients with oral tongue SCC were evaluated by Immunohistochemistry (IHC) for the CD44 antibody. RESULTS: There was no significant correlation between CD44 and survival (P=0.77), age (P=0.4), CD44 and lymph node metastasis (P=0...
November 2016: Iranian Journal of Otorhinolaryngology
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