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https://www.readbyqxmd.com/read/29147004/dose-de-escalation-to-the-normal-larynx-using-conformal-radiotherapy-reduces-toxicity-while-maintaining-oncologic-outcome-for-t1-t2-glottic-cancer
#1
Jun Won Kim, Hyung Kwon Byeon, Hong-Shik Choi, Ik Jae Lee
We evaluated the efficacy of dose de-escalation to the normal larynx using conformal radiotherapy (CRT) for T1/T2 glottic cancer. For conventional RT (2DRT, n = 38), the laryngeal box received a median equivalent dose in 2 Gy fractions (EQD2) of 66 Gy. For CRT (n = 42; 3D-CRT, 20; intensity-modulated RT, 22), clinical target volume (CTV)1 (gross tumor with a 3-mm margin) and CTV2 (laryngeal box) received median EQD2s of 66.6 Gy and 52.2 Gy, respectively. With a 71-month median follow-up, five-year local control and overall survival rates for 2DRT vs...
November 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29143362/microrna-26a-inhibits-proliferation-and-tumorigenesis-via-targeting-cks2-in-laryngeal-squamous-cell-carcinoma
#2
Zhiyan Wu, Baocai Lu, Xiao Li, Wenjie Miao, Jin Li, Yongjuan Shi, Wenfa Yu
Laryngeal squamous cell carcinoma (LSCC) is one of the most common head and neck cancer, with high mortality and incidence. MicroRNA-26a (miR-26a) is involved in the development and progression of several tumors. However, the roles of miR-26a and its target CKS2 in LSCC progression are not yet clear. The mRNA and protein expression was determined using RT-PCR and Western blotting assay, respectively. Cell proliferation was detected using a Cell Counting kit-8 assay (CCK-8). Transwell assay was used to evaluate cell migration and invasion...
November 16, 2017: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/29137052/arytenoid-cartilage-dislocation-mimicking-bilateral-vocal-cord-paralysis-a-case-report
#3
Eun H Chun, Hee J Baik, Rack K Chung, Hun J Lee, Kwangseob Shin, Jae H Woo
RATIONALE: Arytenoid dislocation is very rare and may be misdiagnosed as vocal cord paralysis or a self-limiting sore throat. PATIENT CONCERNS: A 70-year-old male (70 kg, 156 cm) was scheduled for transurethral resection of bladder tumors. A McGrath videolaryngoscope, with a basic cuffed Mallinckrodt oral tracheal tube of 7.5 mm internal diameter, was used to successfully intubate his trachea. The duration of surgery was 25 minutes. In the recovery room, he complained of sore throat and dyspnea with inspiratory stridor, which were not resolved after intravenous injection of 10 mg of dexamethasone...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29135113/minichromosome-maintenance-mcm-protein-4-overexpression-is-a-potential-prognostic-marker-for-laryngeal-squamous-cell-carcinoma
#4
Jianfeng Han, Meng Lian, Jugao Fang, Honggang Liu, Ru Wang, Jie Zhai, Yi Fan Yang, Ling Fen, Qian Shi, Hong Zhi Ma, Juan Sun, Zhihong Ma
PURPOSE: The minichromosomal maintenance (MCM) proteins are involved in the initiation and DNA replication. The role of MCM4 remains to be elucidated. The purpose of this study was to investigate the effects of MCM4 in laryngeal squamous cell carcinoma (LSCC) cell growth and apoptosis. METHODS: LSCC cell line UMSCC 5 was used in this study. The small interfering RNA (siRNA) of MCM 4 gene was used to identify the effects of MCM4 on the proliferation and apoptosis using methylimidazole tetrazolium (MTT) assay and flow-cytometry, respectively...
September 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/29131256/the-expression-of-oct4-and-its-clinical-significance-in-laryngeal-squamous-carcinoma-tissues
#5
H-Y Chen, X-L Han, R-G Wang, X-F Song, H-Z Zhang
OBJECTIVE: To investigate the expression of OCT4 and its clinical significance in laryngeal squamous carcinoma tissues. PATIENTS AND METHODS: Immunohistochemical staining was used to analyze the expression of OCT4 in 61 cases of laryngeal squamous carcinoma and 10 cases of the adjacent normal laryngeal tissues. RESULTS: The expression of OCT4 was not detected in normal laryngeal tissues, but could be detected in the nucleus of laryngeal carcinoma...
October 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29130604/expanding-the-phenotypic-spectrum-of-tp63-related-disorders-including-the-first-set-of-monozygotic-twins
#6
Tara Wenger, Dong Li, Margaret H Harr, Wen-Hann Tan, Renata Pellegrino, Zornitza Stark, Hakon Hakonarson, Elizabeth J Bhoj
Individuals with Tumor Protein P63 (TP63)-related disorders are known to present with a range of phenotypic features, including ectrodactyly, ectodermal dysplasia, cleft lip/palate, Rapp-Hodgkin, Hay-Wells, and limb-mammary syndromes. We present six individuals from three families, including a set of monozygotic twins, with pathogenic TP63 variants who had novel clinical findings. The twins were discordant for cleft lip and palate, and the type of hand malformations, but concordant for choanal atresia, and bilateral volar nail...
November 12, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/29119329/a-functional-assessment-of-anatomical-variants-of-the-recurrent-laryngeal-nerve-during-thyroidectomies-using-neuromonitoring
#7
Beata Wojtczak, Krzysztof Kaliszewski, Krzysztof Sutkowski, Marek Bolanowski, Marcin Barczyński
PURPOSE: The aim of the study was to assess the usefulness of intraoperative neuromonitoring (IONM) in identifying anatomical variants of the recurrent laryngeal nerve (RLN) during thyroidectomies, with emphasis on the nerve's relationship to the inferior thyroid artery (ITA), Zuckerkandl's tubercle, nonrecurrent laryngeal nerves (NRLNs), and extralaryngeal bifurcation. METHODS: A total of 128 subjects undergoing surgery for thyroid disorders were enrolled in the study, and the course and anatomical variants of RLN were assessed with IONM application...
November 8, 2017: Endocrine
https://www.readbyqxmd.com/read/29116044/the-predictive-value-of-videostroboscopy-in-the-assessment-of-premalignant-lesions-and-early-glottis-cancers
#8
Anna Rzepakowska, Ewelina Sielska-Badurek, Ewa Osuch-Wójcikiewicz, Maria Sobol, Kazimierz Niemczyk
OBJECTIVE: To assess the sensitivity and specificity of larngovideostroboscopy (LVS) in the diagnosis of precancerous and malignant lesions of the vocal folds. MATERIAL AND METHODS: In 175 patients (128 men and 47 women), aged 19-88 years, mean age 61.5, who were admitted to the clinic with diagnosed premalignant conditions of vocal fold mucosa (leukoplakia, chronic hypertrophic inflammatory lesions) and thickening or tumor on the vocal fold, there was performed LVS before the laryngeal microsurgery...
August 31, 2017: Otolaryngologia Polska
https://www.readbyqxmd.com/read/29108371/clinical-value-and-indication-for-the-dissection-of-lymph-nodes-posterior-to-the-right-recurrent-laryngeal-nerve-in-papillary-thyroid-carcinoma
#9
Ding-Cun Luo, Xiao-Cheng Xu, Jin-Wang Ding, Yu Zhang, You Peng, Gang Pan, Wo Zhang
Lymph nodes posterior to the right recurrent laryngeal nerve (LN-prRLN) are common sites of nodal recurrence after the resection of papillary thyroid carcinoma (PTC). However, the indication for LN-prRLN dissection remains debatable. We therefore studied the relationships between LN-prRLN metastasis and the clinicopathological characteristics in 306 patients with right or bilateral PTC who underwent LN-prRLN dissection. We found that LN-prRLN metastasis occurred in 16.67% of PTC and was associated with a number of the clinicopathological features...
October 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/29108356/radiotherapy-for-t3n0-glottic-carcinoma-without-cord-fixation-elective-nodal-irradiation-or-not
#10
Ryo Toya, Ryuji Murakami, Daizo Murakami, Tetsuo Saito, Tomohiko Matsuyama, Yutaka Toya, Yasuyuki Yamashita, Natsuo Oya
Background: Although the T3 category has been changed in the sixth edition of the TNM staging system proposed by the Union for International Cancer Control (UICC), the appropriate clinical target volume (CTV) of elective nodal irradiation (ENI) for T3N0 glottic carcinoma without cord fixation, which was formerly treated as a T1-2N0 disease, is not fully discussed. Materials and Methods: We retrospectively analyzed 64 patients staged or restaged as T3N0 disease without cord fixation...
October 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/29103744/a-high-ratio-of-il-12r%C3%AE-2-positive-tumor-infiltrating-lymphocytes-indicates-favorable-prognosis-in-laryngeal-cancer
#11
Ye Tao, Neil Gross, Yehai Liu, Liyong Zhang, Guojun Li, Zhigang Huang, Jianming Yang
BACKGROUND: The purpose of this study was to elucidate IL-12Rβ2's roles as a tumor-associated immunological molecule, delineate the complex roles of IL-12Rβ2(+) tumor-infiltrating lymphocytes (TILs) and tumor cell IL-12Rβ2 expression in the tumor microenvironment, and determine the correlation of IL-12Rβ2(+) TILs and tumor cell IL-12Rβ2 expression with clinical prognosis. METHODS: We assessed mRNA and protein levels in matched laryngeal cancer tissues (LTs) and adjacent normal mucous membrane tissues (ANMMTs) from 3 laryngeal cancer (LC) patients and ratios of IL-12Rβ2(+) TILs in matched LTs and ANMMTs from 61 LC patients...
November 2017: Oral Oncology
https://www.readbyqxmd.com/read/29092098/differentiated-and-anaplastic-thyroid-carcinoma-major-changes-in-the-american-joint-committee-on-cancer-eighth-edition-cancer-staging-manual
#12
REVIEW
Nancy D Perrier, James D Brierley, R Michael Tuttle
Answer questions and earn CME/CNE This is a review of the major changes in the American Joint Committee on Cancer staging manual, eighth edition, for differentiated and anaplastic thyroid carcinoma. All patients younger than 55 years have stage I disease unless they have distant metastases, in which case, their disease is stage II. In patients aged 55 years or older, the presence of distant metastases confers stage IVB, while cases without distant metastases are further categorized based on the presence/absence of gross extrathyroidal extension, tumor size, and lymph node status...
November 1, 2017: CA: a Cancer Journal for Clinicians
https://www.readbyqxmd.com/read/29091303/mir-613-suppressed-the-laryngeal-squamous-cell-carcinoma-progression-through-regulating-pdk1
#13
Jing Wang, Wensheng Ge, Ying Wang, Maocai Li, Chaodong Han
MicroRNAs (miRNAs) are aberrantly expressed in several tumors and play important role in tumorigenesis. However, little is known about the role of miR-613 in laryngeal squamous cell carcinoma (LSCC). We determined the expression of miR-613 in a panel of 30 LSCC specimens. Compared with the adjacent normal samples, 20 cases of LSCC tissues exhibited decreased expression of miR-613. The average expression of miR-613 in LSCC tissues was lower than in normal samples. Moreover, we demonstrated that exogenous expression of miR-613 suppressed LSCC cell proliferation, invasion and blocked G1/S phase transition...
November 1, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29090703/20-s-protopanaxadiol-ppd-increases-the-radiotherapy-sensitivity-of-laryngeal-carcinoma
#14
Bo Teng, Lijing Zhao, Jing Gao, Peng He, Hejie Li, Junyu Chen, Qingjie Feng, Chunhui Yi
Laryngeal carcinoma (LC) is one of the most prevalent malignant tumors in the head and neck area. Due to its high morbidity and mortality, LC poses a serious threat to human life and health. Even with surgical removal, some patients were not sensitive to radiotherapy or experienced transfer or recurrence. 20(s)-Protopanaxadiol (PPD), a natural product from Panax ginseng, has been reported to have cytotoxic effects against several cancer cell lines. However, whether it can improve the radiation sensitivity and the underlying mechanism of PPD's sensitization effect is still unknown...
November 1, 2017: Food & Function
https://www.readbyqxmd.com/read/29089157/a-rare-case-of-bilateral-vagus-nerve-schwanomatosis
#15
Makoto Hosoya, Nobuko Yamamoto, Takeshi Wakabayashi, Keitaro Toshikuni, Haruna Yabe, Shujiro B Minami
Schwanomatosis is the third most common form of neurofibromatosis. Schwanomatosis affecting the vagus nerve is particularly rare. In this report, we describe an extremely rare case bilateral vagus nerve schwanomatosis in a 45-year-old male patient. The patient initially presented with bilateral neck tumors and hoarseness arising after thoracic surgery. We performed left neck surgery in order to diagnose and resect the remaining tumors followed by laryngeal framework surgery to improve vocal cord closure and symptoms of hoarseness...
October 28, 2017: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/29082244/expression-levels-and-clinical-significance-of-mir-21-5p-mir-let-7a-and-mir-34c-5p-in-laryngeal-squamous-cell-carcinoma
#16
Massimo Re, Giuseppe Magliulo, Federico M Gioacchini, Arisa Bajraktari, Andrea Bertini, Artan Çeka, Corrado Rubini, Luigi Ferrante, Antonio D Procopio, Fabiola Olivieri
OBJECTIVE: Altered microRNAs (miRNAs) expression has been found in many cancer types, including laryngeal squamous cell carcinoma (LSCC). The aim of this study was to determine the role and clinical value of three LSCC-related miRs, such as miR-21-5p, miR-let-7a, and miR-34c-5p in a homogeneous cohort of patients with primary LSCC treated by primary surgery. METHODS: Expression levels of miR-21-5p, miR-let-7a, and miR-34c-5p were detected in 43 pairs of LSCC and adjacent normal tissues by reverse-transcription quantitative PCR...
2017: BioMed Research International
https://www.readbyqxmd.com/read/29077168/study-on-the-correlation-between-cd14-gene-polymorphism-and-susceptibility-to-laryngeal-cancer
#17
J Su, J Cui, H-T Xue, J-H Tian, J-H Zhang
OBJECTIVE: CD14 is the cell surface glycoprotein, which plays an important role in the occurrence and development of tumors. This study was designed to assess the association between CD14 SNPs and laryngeal cancer risk. PATIENTS AND METHODS: This case-control study including 406 cases of laryngeal cancer and 893 healthy controls. The relationship between the genetic variation of CD14, rs2569190 and rs5744455, and the onset risk of laryngeal cancer were investigated...
October 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29054457/bilateral-vocal-cord-immobility-resulting-from-cytomegalovirus-pharyngitis-a-case-report
#18
Rumi Ueha, Takaharu Nito, Takao Goto, Taku Sato, Tetsuo Ushiku, Tatsuya Yamasoba
Human cytomegalovirus (CMV) is an infectious herpes virus present in approximately 50% of the world's population. Pharyngitis is an uncommon manifestation of CMV infection, and vocal cord immobility (VCI) following CMV pharyngitis is quite rare. An 83-year-old man with well-controlled diabetes mellitus and hypertension was admitted due to dyspnea, odynophagia, and dysphagia. Laryngeal fiberscopy revealed bilateral vocal cords almost fixed at the median position, with mucosal redness, swelling, and edema at the hypopharyngeal area...
October 17, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/29054118/efficacy-of-laryngectomy-alone-for-treatment-of-locally-advanced-laryngeal-cancer-a-stage-and-subsite-specific-survival-analysis
#19
Brian P Cervenka, Shyam Rao, D Gregory Farwell, Arnaud F Bewley
OBJECTIVE: Total laryngectomy is a well-established treatment for locally advanced laryngeal cancer. Evidence for the benefit of post-operative radiotherapy after laryngectomy in patients with locally advanced primaries and N0 or N1 nodal disease is limited. This study aims to determine whether total laryngectomy alone is adequate therapy for certain patient subgroups with locally advanced laryngeal cancer. DESIGN: We performed a retrospective survival analysis of patients in the surveillance epidemiology and end results (SEER) database with locally advanced laryngeal cancer between 2004-2012...
October 20, 2017: Clinical Otolaryngology
https://www.readbyqxmd.com/read/29050230/a-potential-panel-of-two-long-non-coding-rna-signature-to-predict-recurrence-of-patients-with-laryngeal-cancer
#20
Zhigang Bai, Enhong Shi, Qiwei Wang, Zhouwei Dong, Ping Xu
Accumulating evidence has shown that aberrant lncRNA expression plays an oncogenic or tumor-suppressive role in the tumorigenesis of laryngeal cancer. However, the prognostic roles of lncRNAs in laryngeal cancer recurrence are still poorly understood. In this study, we obtained lncRNA expression profiles of 109 patients with laryngeal cancer by mining previously published gene expression microarray data from the Gene Expression Omnibus (GEO) and identified two lncRNAs associated with laryngeal cancer recurrence in the training dataset by using Cox regression analysis...
September 19, 2017: Oncotarget
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