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https://www.readbyqxmd.com/read/28102887/clinical-trial-of-nintedanib-in-patients-with-recurrent-or-metastatic-salivary-gland-cancer-of-the-head-and-neck-a-multicenter-phase-2-study-korean-cancer-study-group-hn14-01
#1
Youjin Kim, Su Jin Lee, Ji Yun Lee, Se-Hoon Lee, Jong-Mu Sun, Keunchil Park, Ho Jung An, Jae Yong Cho, Eun Joo Kang, Ha-Young Lee, Jinsoo Kim, Bhumsuk Keam, Hye Ryun Kim, Kyoung Eun Lee, Moon Young Choi, Ki Hyeong Lee, Myung-Ju Ahn
BACKGROUND: Salivary gland cancers (SGCs) are uncommon and account for less than 5% of all head and neck cancers, but they are histologically heterogeneous. No specific therapy, including targeted agents, has consistently improved clinical outcomes in recurrent/metastatic SGC. Recent studies suggest that vascular endothelial growth factor receptor (VEGFR) and platelet-derived growth factor receptor (PDGFR) play important roles in SGC. Nintedanib is a potent small-molecule, triple-receptor tyrosine kinase inhibitor (VEGFR1, VEGFR2, and VEGFR3; fibroblast growth factor receptor 1 [FGFR1], FGFR2, and FGFR3; and PDGFRα and PDGFRß)...
January 19, 2017: Cancer
https://www.readbyqxmd.com/read/28098399/myb-cd117-and-sox-10-expression-in-cutaneous-adnexal-tumors
#2
Mara Therese P Evangelista, Jeffrey P North
BACKGROUND: Elevated MYB expression has been documented in adenoid cystic carcinoma (ACC), cylindroma, and spiradenoma, but the specificity of this finding is unknown. CD117 and SOX-10 expression also occurs in some cutaneous adnexal tumors. This study assesses MYB, CD117, and SOX-10 expression in cutaneous adnexal tumors. METHODS: Retrospective analysis of 184 benign adnexal tumors (140 eccrine/apocrine, 40 follicular, and 10 sebaceous), and 30 malignant adnexal tumors was performed with MYB, SOX-10, and CD117 immunostaining...
January 18, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28098165/combination-of-mometasone-furoate-and-oxymetazoline-for-the-treatment-of-adenoid-hypertrophy-concomitant-with-allergic-rhinitis-a-randomized-controlled-trial
#3
Wenlong Liu, Lifeng Zhou, Qingxiang Zeng, Renzhong Luo
In the clinic, approximately 30% of children with adenoid hypertrophy (AH) concomitant with allergic rhinitis (AR) report poor responses to intranasal steroids. To determine whether the combination of mometasone furoate (MF) and oxymetazoline (OXY) is more effective than either agent alone, we performed a two-stage, parallel, randomized, double-blind, double-dummy, clinical trial with 240 AH children with concomitant perennial AR. During the first stage, all children were randomly assigned to the MF or control group for six weeks of treatment...
January 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28094214/primary-intraosseous-adenoid-cystic-carcinoma-of-the-mandible-a-comprehensive-review-and-analysis-of-four-new-cases-with-emphasis-on-morphologic-immunophenotypic-and-molecular-characteristics
#4
Jing Han, Ting Gu, Xi Yang, Longwei Hu, Ronghui Xia, Zhen Tian, Jiang Li, Ling Zhu, Liqun Xu, Chunye Zhang
OBJECTIVE: To comprehensively review the clinical manifestations, imaging, diagnosis, treatment, and pathologic features of primary intraosseous adenoid cystic carcinoma (PIACC) of the mandible and analyze PIACC histopathology and molecular features in four cases. STUDY DESIGN: We reviewed the literature and retrospectively studied four cases of PIACC. RESULTS: The clinical and imaging findings of PIACC are similar to other malignant or borderline-malignant mandible tumors...
November 11, 2016: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/28078443/double-stenting-with-silicone-and-metallic-stents-for-malignant-airway-stenosis
#5
Keitaro Matsumoto, Naoya Yamasaki, Tomoshi Tsuchiya, Takuro Miyazaki, Ryotaro Kamohara, Go Hatachi, Takeshi Nagayasu
For severe malignant airway stenosis, there are several types of commercially available airway stents, and each has its own advantages and disadvantages. We herein describe the safety and efficacy of combination stenting with silicone and metallic stents for patients with extended malignant airway stenosis. Seven patients with malignant airway stenosis were treated via combination stenting with a silicone stent and a metallic stent for extended airway stenosis from the central to peripheral airways. Five patients were diagnosed with advanced esophageal cancer, two of whom had tracheoesophageal fistulas...
January 11, 2017: Surgery Today
https://www.readbyqxmd.com/read/28076779/transcription-dynamics-prevent-rna-mediated-genomic-instability-through-srpk2-dependent-ddx23-phosphorylation
#6
Sreerama Chaitanya Sridhara, Sílvia Carvalho, Ana Rita Grosso, Lina Marcela Gallego-Paez, Maria Carmo-Fonseca, Sérgio Fernandes de Almeida
Genomic instability is frequently caused by nucleic acid structures termed R-loops that are formed during transcription. Despite their harmful potential, mechanisms that sense, signal, and suppress these structures remain elusive. Here, we report that oscillations in transcription dynamics are a major sensor of R-loops. We show that pausing of RNA polymerase II (RNA Pol II) initiates a signaling cascade whereby the serine/arginine protein kinase 2 (SRPK2) phosphorylates the DDX23 helicase, culminating in the suppression of R-loops...
January 10, 2017: Cell Reports
https://www.readbyqxmd.com/read/28072974/-clinicopathologic-features-of-mammary-analogue-secretory-carcinoma-of-salivary-glands
#7
X P Zhang, H Ni, X Wang, H Chen, S S Shi, B Yu, X J Zhou, Q Rao
Objective: To investigate the clinicopathological features of mammary analogue secretory carcinoma (MASC) of salivary glands, and its diagnosis, differential diagnosis, immunohistochemistry and molecular pathology. Methods: Seventeen cases of MASC were enrolled, with 9 cases of salivary acinar cell carcinoma and 18 cases of adenoid cystic carcinoma as control groups from Nanjing General Hospital from 1997 to 2014 were included in this retrospective study, combined with immunohistochemistry and molecular detection of ETV6-NTRK3 gene fusion...
January 8, 2017: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/28072972/-clinicopathologic-features-of-adenoid-cystic-carcinoma-of-breast
#8
S P Guo, Q L Li, Y M Wang, K X Zeng, Y Liu, W N Xu, X M Zhang
Objective: To investigate the clinicopathologic features and grading of adenoid cystic carcinoma (ACC) of the breast. Methods: Sixteen cases of ACC of the breast were analyzed and graded according to the previous report. Immunohistochemical (IHC) staining was used to detect the immunophenotype, Ki-67 proliferative index and expression of EZH2, and the association with tumor grade and outcome was analyzed. Results: Of the 16 cases, 11 were grade Ⅰ, with the epithelial and myoepithelial cells being arranged into tubular and cribriform structure with no solid component; three were grade Ⅱ, which were composed of mixed tubular, cribriform and solid component (<30%); and two were grade Ⅲ, which showed mainly solid component (>90%) and the tumor cells showed basaloid features with scanty cytoplasm and hyperchromatic nuclei, and mitotic count was>5/10 HPF...
January 8, 2017: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/28060556/the-frequency-of-sleep-disordered-breathing-in-children-with-asthma-and-its-effects-on-asthma-control
#9
Tayfur Ginis, Fatih Alper Akcan, Murat Capanoglu, Muge Toyran, Refika Ersu, Can Naci Kocabas, Ersoy Civelek
BACKGROUND: The presence of sleep-disordered breathing (SDB) in children with asthma may cause difficult to control asthma. OBJECTIVES: The aim of this study was to determine the frequency of SDB in children with asthma, to evaluate its effects on asthma control and to assess the risk factors associated with the presence of SDB. METHODS: Parents of children who Sleep Questionnaire (PSQ) and the Childhood Asthma Control Test (C-ACT). Asthma control level was assessed according to Global Initiative for Asthma (GINA)...
January 6, 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/28060371/basaloid-blue-salivary-gland-tumors
#10
Raja R Seethala
Basaloid tumors are a common diagnostic problem in salivary gland pathology. However, delineating each of these tumor types is facilitated by an algorithmic approach incorporated by tumor border and cell types. This approach greatly diminishes the challenge of separating polymorphous low-grade adenocarcinoma (PLGA) from adenoid cystic carcinoma (ACC). Despite the overlap in growth pattern, ACC is biphasic while PLGA is not. More relevant challenges, namely differentiation of the biphasic basaloid neoplasms including: epithelial-myoepithelial carcinoma (EMCA), cellular pleomorphic adenoma (PA), basal cell adenoma (BCA), and basal cell adenocarcinoma (BCAC), are resolved by a combination of morphologic, immunophenotypic, and to a limited extent, molecular features...
January 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/28050682/competition-and-quality-indicators-in-the-health-care-sector-empirical-evidence-from-the-dutch-hospital-sector
#11
R R Croes, Y J F M Krabbe-Alkemade, M C Mikkers
There is much debate about the effect of competition in healthcare and especially the effect of competition on the quality of healthcare, although empirical evidence on this subject is mixed. The Netherlands provides an interesting case in this debate. The Dutch system could be characterized as a system involving managed competition and mandatory healthcare insurance. Information about the quality of care provided by hospitals has been publicly available since 2008. In this paper, we evaluate the relationship between quality scores for three diagnosis groups and the market power indicators of hospitals...
January 3, 2017: European Journal of Health Economics: HEPAC: Health Economics in Prevention and Care
https://www.readbyqxmd.com/read/28043647/the-morphological-spectrum-of-salivary-gland-type-tumours-of-the-breast
#12
REVIEW
Maria P Foschini, Luca Morandi, Sofia Asioli, Gianluca Giove, Angelo G Corradini, Vincenzo Eusebi
Salivary gland like tumours of the breast constitute a wide spectrum of entities each one showing peculiar features and clinical behaviour. They can be subdivided as follows: (1) tumours showing pure myoepithelial cell differentiation, such as pure benign and malignant myoepitheliomas; (2) tumours with mixed epithelial and myoepithelial cell differentiation, such as pleomorphic adenoma, adenomyoepithelioma and adenoid cystic carcinoma; and (3) tumours with pure epithelial cell differentiation, such as acinic cell carcinoma, oncocytic carcinoma, mucoepidermoid carcinoma and polymorphous adenocarcinoma...
December 30, 2016: Pathology
https://www.readbyqxmd.com/read/28042527/pediatric-rhinosinusitis
#13
Dana T Badr, Jonathan M Gaffin, Wanda Phipatanakul
Rhinosinusitis, is defined as an inflammation of the paranasal and nasal sinus mucosae. Chronic rhinosinusitis (CRS)is a common problem in the pediatric age group and the diagnosis and treatment are challenging due to the chronicity and similarity of symptoms with allergic rhinitis and adenoid hypertrophy. Although it is less common than acute rhinosinusitis, CRS is becoming more frequent and significantly affects the quality of life in children and can substantially impair daily function. CRS is characterized by sinus symptoms lasting more than 3 months despite medical therapy...
September 2016: Current Treatment Options in Allergy
https://www.readbyqxmd.com/read/28041635/clinicopathologic-and-prognostic-factors-in-adenoid-cystic-carcinoma-of-head-and-neck-minor-salivary-glands-a-clinical-analysis-of-130-cases
#14
Shizhi He, Pingdong Li, Qi Zhong, Lizhen Hou, Zhenkun Yu, Zhigang Huang, Xuejun Chen, Jugao Fang, Xiaohong Chen
PURPOSE: This study was to investigate clinicopathologic characteristics and prognostic factors in adenoid cystic carcinoma of head and neck minor salivary glands. MATERIALS AND METHODS: We conducted a retrospective review of 130 patients with adenoid cystic carcinoma of head and neck minor salivary glands that were evaluated between 2000 and 2013 in Beijng Tongren Hospital. RESULTS: Five-year overall survival and disease-free survival rates were 80...
November 23, 2016: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/28039009/percutaneous-ct-fluoroscopic-guided-radioisotope-seed-placement-for-the-management-of-adenoid-cystic-carcinoma-of-the-trachea
#15
Stephen Doggett, Shigeru Chino, Todd Lempert, Jay Federhart
PURPOSE: Tracheal and paratracheal malignancies present challenges in radiotherapeutic management due to their proximity to sensitive structures, central location, and because of the potential for catastrophic radiation induced fistula. The use of external beam radiation therapy and intraluminal brachytherapy has a limited number of reports in the literature. We have searched for a technique for treating tracheal and paratracheal malignancies allowing application of a high dose of radiation while minimizing dose to normal tissues...
December 27, 2016: Brachytherapy
https://www.readbyqxmd.com/read/28038793/histologic-characteristics-of-thymic-adenocarcinomas-clinicopathologic-study-of-a-nine-case-series-and-a-review-of-the-literature
#16
Ah-Young Kwon, Joungho Han, Jinah Chu, Yong Soo Choi, Byeong-Ho Jeong, Myung-Ju Ahn, Yong Chan Ahn
Primary thymic adenocarcinoma is an extraordinarily rare malignancy; only 49 cases have been reported in the medical literature to date. Because of its rarity, clinical and pathologic characteristics of thymic adenocarcinoma are unclear. We present nine cases of primary thymic adenocarcinoma and discuss clinicopathologic findings in the context of the existing literature. Two-hundred twenty-six thymic carcinoma cases were diagnosed at Samsung Medical Center in Korea, from January, 2001 to July, 2016. Nine of these 226 cases were primary thymic adenocarcinomas...
November 15, 2016: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28035703/human-papillomavirus-related-carcinoma-with-adenoid-cystic-like-features-of-the-sinonasal-tract-clinical-and-morphological-characterization-of-6-new-cases
#17
S Andreasen, J Bishop, T V O Hansen, W H Westra, A Bilde, C von Buchwald, K Kiss
AIMS: Human Papillomavirus (HPV) is known as causative for squamous cell carcinoma (SCC) of the oropharynx, but is also not infrequently found in carcinomas of the sinonasal tract. Recently, a subset of these carcinomas was recognized to harbour HPV33 and have a significant morphological overlap with adenoid cystic carcinoma (ACC), a rare and aggressive carcinoma originating in the minor salivary glands. Termed HPV-related carcinoma with ACC-like features, only 9 cases have been reported...
December 30, 2016: Histopathology
https://www.readbyqxmd.com/read/28035309/adenoid-cystic-carcinoma-of-the-sublingual-gland-a-case-report
#18
Ji-Young Song
Adenoid cystic carcinoma (ACC) of the sublingual gland is an extremely rare neoplasm. The clinicopathological characteristics of ACC are slow-growing swelling with or without ulceration, perineural spread, local recurrence, and distant metastasis. This report describes a 58-year-old male who had a slowly growing swelling without ulceration on the right side of the mouth floor that had been present for 1 month. In a radiological examination, the mass showed multilocular cystic features and no bony or tongue muscle invasion...
December 2016: Imaging Science in Dentistry
https://www.readbyqxmd.com/read/28025644/tnf%C3%AE-affects-ciliary-beat-response-to-increased-viscosity-in-human-pediatric-airway-epithelium
#19
Claudia González, Karla Droguett, Mariana Rios, Noam A Cohen, Manuel Villalón
In airway epithelium, mucociliary clearance (MCC) velocity depends on the ciliary beat frequency (CBF), and it is affected by mucus viscoelastic properties. Local inflammation induces secretion of cytokines (TNFα) that can alter mucus viscosity; however airway ciliated cells have an autoregulatory mechanism to prevent the collapse of CBF in response to increase in mucus viscosity, mechanism that is associated with an increment in intracellular Ca(+2) level ([Ca(2+)]i). We studied the effect of TNFα on the autoregulatory mechanism that regulates CBF in response to increased viscosity using dextran solutions, in ciliated cells cultured from human pediatric epithelial adenoid tissue...
2016: BioMed Research International
https://www.readbyqxmd.com/read/28025608/specified-data-for-tonsil-surgery-in-germany
#20
Jochen P Windfuhr
Background: Tonsillectomy rates vary considerably among different states, regions, and times. This study was conducted to identify the prevalence of "chronic" tonsillitis, peritonsillar abscess, hypertrophy of the tonsils with and without adenoids in absolute and relative numbers in an 80 million people nation. Moreover, the number and rates of different surgical procedures to resolve either "chronic" tonsillitis, peritonsillar abscess, or upper airway obstruction due to (adeno)tonsillar hypertrophy over several years was evaluated in this study (tonsillectomy, adenotonsillectomy, tonsillotomy, abscess tonsillectomy, transoral incision and drainage)...
2016: GMS Current Topics in Otorhinolaryngology, Head and Neck Surgery
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