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Salivary gland pathology

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https://www.readbyqxmd.com/read/28210575/cytokeratin-immunoprofile-of-primary-and-metastatic-adenoid-cystic-carcinoma-of-salivary-glands-a-report-of-two-cases
#1
Cibele Pidorodeski Nagano, Cláudia Malheiros Coutinho-Camillo, Clovis Antônio Pinto, Fernando Augusto Soares, Filipa Santos, Isabel Fonseca, Silvia Vanessa Lourenço
Distant metastases from salivary gland tumors are considered infrequent: the incidence of distant metastases ranges from 24% to 61% according to different histotypes and to the site of the primary mass. The most common site of distant metastases due to salivary gland malignancies is the lung. From the pathology point of view, cytokeratins (CK) are important differentiation markers in salivary gland tumors, which are often used for the diagnostic process. Their employment also may be useful to identify and confirm the diagnosis of their distant metastases...
October 2016: Autopsy & case reports
https://www.readbyqxmd.com/read/28206977/prognostic-significance-of-p53-immunohistochemical-expression-in-adenoid-cystic-carcinoma-of-the-salivary-glands-a-meta-analysis
#2
REVIEW
Qinglin Li, Ping Huang, Chuanming Zheng, Jiafeng Wang, Minghua Ge
Adenoid cystic carcinoma of salivary glands is a rare adenocarcinoma and has been placed in "high-risk" category as poor long-term prognosis. The purpose of this study was to investigate p53 protein expression in adenoid cystic carcinoma of salivary glands and its correlation with clinicopathological parameters and prognosis. Literatures were searched from PubMed, Embase, Cochrane Library and Web of Science, which investigated the relationships between p53 expression and pathological type, clinical stage, local recurrence, metastasis, nerve infiltration and overall survival...
February 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28194567/ultrastructural-characterization-of-mammary-analogue-secretory-carcinoma-of-the-salivary-glands-a-distinct-entity-from-acinic-cell-carcinoma
#3
Julie Guilmette, Gunnlaugur P Nielsen, William C Faquin, Martin Selig, Vânia Nosé, Anthony W S Chi, Peter M Sadow
Mammary analogue secretory carcinoma (MASC) of the salivary glands is a recently described neoplasm of the salivary glands with a characteristic morphology complemented by a specific cytogenetic translocation and gene rearrangements. Although immunophenotypic and cytogenetic differences allow for a more reliable distinction, ultrastructural features can also provide important information about the relationship between MASC, classic acinic cell carcinoma (AciCC), and AciCC intercalated duct cell-predominant variant...
February 13, 2017: Head and Neck Pathology
https://www.readbyqxmd.com/read/28188210/management-of-oral-secretions-in-neurological-disease
#4
REVIEW
Alexander J McGeachan, Christopher J Mcdermott
Sialorrhoea is a common and problematic symptom that arises from a range of neurological conditions associated with bulbar or facial muscle dysfunction. Drooling can significantly affect quality of life due to both physical complications such as oral chapping, and psychological complications such as embarrassment and social isolation. Thicker, tenacious oral and pharyngeal secretions may result from the drying management approach to sialorrhoea. The management of sialorrhoea in neurological diseases depends on the underlying pathology and severity of symptoms...
February 10, 2017: Practical Neurology
https://www.readbyqxmd.com/read/28168074/myoepithelioma-of-the-nasal-septum-a-rare-case-of-extrasalivary-gland-involvement
#5
Gustavo Barreto da Cunha, Tatiane Costa Camurugy, Thiago Cavalcante Ribeiro, Nara Nunes Barbosa Costa, Amanda Canário Andrade Azevedo, Eriko Soares de Azevedo Vinhaes, Nilvano Alves de Andrade
Introduction. The myoepithelioma is a rare benign tumor, most frequently found in the salivary glands. The extrasalivary gland involvement is even rarer and few cases involving the nasal cavity have been reported in the literature. Case Report. MES, a 54-year-old woman, complaining of progressive nasal obstruction and mild epistaxis through the right nostril which had developed 1 year previously. Computed tomography scan showed tumor with heterogeneous contrast enhancement occupying the right nasal cavity, moving contralaterally in the nasal septum...
2017: Case Reports in Otolaryngology
https://www.readbyqxmd.com/read/28160579/retrospective-study-of-149-cases-of-salivary-gland-carcinoma-in-a-spanish-hospital-population
#6
L Collazo-Fernández, J Campo-Trapero, J Cano-Sánchez, R García-Martín, C Ballestín-Carcavilla
BACKGROUND: The clinical and histological characteristics of salivary gland tumors vary widely, complicating their diagnosis and management, and major differences have been recorded in the distribution of histopathological diagnoses among different countries. MATERIAL AND METHODS: This retrospective study reviewed the demographic (age, sex) and clinicopathological (pathology diagnosis and localization) characteristics of cases diagnosed with primary SGC between June 1992 and May 2014 in the Pathology Department of the 12 de Octubre Hospital of Madrid...
February 4, 2017: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/28154872/monitoring-the-biochemical-alterations-in-hypertension-affected-salivary-gland-tissues-using-fourier-transform-infrared-hyperspectral-imaging
#7
Shaiju S Nazeer, Rarinthorn Samrid, David Perez-Guaita, Parichat Prachaney, Kowit Chaisiwamongkol, Poungrat Pakdeechote, Ponlatham Chaiyarit, Bayden R Wood
Fourier transform infrared spectroscopy (FTIR) imaging has been applied to investigate biochemical differences between salivary glands from control and hypertensive rats. Male Sprague-Dawley rats were divided into two groups including a control group and another hypertension group that were treated orally, with N-nitro-l-arginine methyl ester (l-NAME) via drinking water for 3 weeks to develop hypertension. In the control group, rats were treated with only drinking water for 3 weeks. The formalin-fixed paraffin embedded tissue specimens from submandibular and sublingual glands were analysed with a FTIR focal plane array imaging spectrometer and multi-composite images of all tissue sections were analysed simultaneously using Unsupervised Hierarchical Cluster Analysis (UHCA) and the extracted spectra were further analysed using Partial Least Squares Discriminant Analysis (PLS-DA)...
February 3, 2017: Analyst
https://www.readbyqxmd.com/read/28153565/clinical-outcomes-and-prognostic-factors-of-salivary-gland-adenoid-cystic-carcinomas-a-case-control-study
#8
Caineng Cao, Minghua Ge, Xiaozhong Chen, Jiajie Xu, Chao Chen
OBJECTIVE: To determine whether there was any difference in the clinical and pathologic features, management, and survival outcomes based on tumor site for salivary adenoid cystic carcinoma (ACC). STUDY DESIGN: This study is a retrospective chart review of 63 salivary ACC patients. These patients were subclassified into 2 groups, the minor salivary glands group (MiSGG) and the major salivary glands group (MaSGG). RESULTS: With a median follow-up time of 69...
December 7, 2016: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/28153562/myoepithelial-carcinoma-of-the-salivary-gland-pathologic-and-ct-imaging-characteristics-report-of-10-cases-and-literature-review
#9
Dong Yue, Wen Feng, Cai Ning, Li Xiao Han, Luo YaHong
OBJECTIVE: To summarize the pathologic and computed tomography (CT) imaging characteristics of myoepithelial carcinoma in the salivary gland. STUDY DESIGN: Ten patients with myoepithelial carcinoma of the salivary gland underwent enhanced CT scanning, and the pathologic and CT imaging features were evaluated, including the pathologic type, size, margin morphology, and enhancement pattern of the lesions. RESULTS: Myoepithelial carcinoma had a multinodular or lobulated outline...
December 7, 2016: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/28141643/primary-carcinosarcoma-of-the-parotid-gland-mimicking-as-parotid-abscess-with-deep-neck-infection
#10
Huu Ngoc Minh Phan, Yong Tae Hong, Ki Hwan Hong
Carcinosarcoma, true malignant mixed tumor, of the parotid is an extremely rare tumor. Pathologically, it is composed of malignant epithelial and malignant mesenchymal elements. The carcinosarcoma of the salivary glands comprised only 0.04% to 0.16% of all malignant salivary tumors with 65% occurring in the parotid gland. This tumor has an aggressive characteristic and is often regarded as a high-grade tumor with distant metastasis occurring in 54% of the patients. Patients usually present between 60 and 65 years of age and most series report no sex predominance...
January 30, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28139061/immunohistochemical-and-molecular-profile-of-salivary-gland-cancer-in-children
#11
Laura D Locati, Paola Collini, Martina Imbimbo, Marta Barisella, Adele Testi, Lisa F Licitra, Thomas Löning, Katharina Tiemann, Pasquale Quattrone, Emanuela Bimbatti, Stefano Chiaravalli, Michela Casanova, Elena Tamborini, Roberto Carta, Patrizia Gasparini, Marco Guzzo, Maura Massimino, Andrea Ferrari
BACKGROUND: Pediatric salivary gland carcinomas (SGCs) are very rare. They differ from the adult SGCs in terms of epidemiologic and clinical behavior, being generally limited only to selected histotypes (e.g. low-grade mucoepidermoid [LG-MEC] and acinic cell cancer [AcCC]) and characterized by very good outcome. Our aim was to investigate therapeutic targets on a series of pediatric SGCs by immunohistochemical and molecular analysis. METHODS: A retrospective analysis was performed to search for cases of pediatric SGCs in the database of the Pediatric Oncology Unit at the Istituto Nazionale Tumori and in the Pathology database at the Gerhard-Seifert-Reference-Centre...
January 31, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28122103/locoregional-control-of-tongue-base-adenoid-cystic-carcinoma-with-primary-resection-and-radial-forearm-free-flap-reconstruction
#12
Bharat B Yarlagadda, Josh C Meier, Derrick T Lin, Kevin S Emerick, Daniel G Deschler
Adenoid cystic carcinoma of the minor salivary glands can be challenging and marked by high rates of local recurrence despite appropriate surgical resection. Management of this pathology in the base of the tongue is particularly difficult given the poor functional outcomes traditionally associated with an aggressive surgical approach. This article presents a case series of patients who underwent up-front surgical resection followed by free tissue transfer reconstruction. A retrospective analysis was performed of patients with adenoid cystic carcinoma of the base of the tongue who underwent composite resection and reconstruction with a radial forearm free flap...
January 2017: Ear, Nose, & Throat Journal
https://www.readbyqxmd.com/read/28109484/pediatric-trans-oral-submandibular-gland-excision-a-safe-and-effective-technique
#13
C A Hughes, J Brown
INTRODUCTION: In the pediatric population the submandibular gland requires removal in a number of conditions including, refractory recurrent sialoadenitis, sialolithiasis, salivary gland neoplasms and debilitating sialorrhea. In comparison to the traditional trans-cervical approach, the trans-oral route avoids a cervical scar, potential keloid formation and decreased risk of injury to the marginal mandibular branch of the facial nerve. This approach also eliminates the potentiality of remnant duct disease since the entire duct and papillae are removed...
February 2017: International Journal of Pediatric Otorhinolaryngology
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
#14
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/28076598/minor-intraoral-salivary-gland-tumors-a-clinical-pathological-study
#15
Dmitry José de Santana Sarmento, Maria de Lourdes Silva de Arruda Morais, Antonio de Lisboa Lopes Costa, Éricka Janine Dantas da Silveira
Objective: To evaluate the clinical-pathological profile of patients with minor salivary gland neoplasms. Methods: A retrospective study of specific cases diagnosed as benign and malignant tumors of the minor salivary glands was performed. The data were collected from medical records of patients seen at a hospital over a period of 15 years. The sample was made up of 37 cases. For the pathological study, slides containing 5μm thick sections stained with hematoxylin and eosin were used...
October 2016: Einstein
https://www.readbyqxmd.com/read/28072974/-clinicopathologic-features-of-mammary-analogue-secretory-carcinoma-of-salivary-glands
#16
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/28072618/18f-fdg-pet-ct-versus-contrast-enhanced-ct-for-staging-and-prognostic-prediction-in-patients-with-salivary-gland-carcinomas
#17
Marn Joon Park, Jungsu S Oh, Jong-Lyel Roh, Jae Seung Kim, Jeong Hyun Lee, Soon Yuhl Nam, Sang Yoon Kim
PURPOSE: Salivary gland carcinoma (SGC) is rare tumor with various histological type and metastatic potential. Pretreatment detection of metastases can contribute to planning the appropriate treatment of SGC. Therefore, the present study evaluated the utility of F-FDG PET/CT versus contrast-enhanced CT for detection of metastases and prediction of outcomes in SGC patients. METHODS: Sixty-seven consecutive SGC patients who were prospectively evaluated by F-FDG PET/CT and contrast-enhanced CT and subsequently underwent surgery with or without postoperative radiotherapy/chemoradiotherapy were included...
March 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28060371/basaloid-blue-salivary-gland-tumors
#18
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/28060365/newly-described-salivary-gland-tumors
#19
Alena Skalova, Michal Michal, Roderick Hw Simpson
This review concentrates on three salivary gland tumors that have been accepted in the recent literature as new neoplastic entities: mammary analog secretory carcinoma (MASC), sclerosing polycystic adenoma (SPA) and cribriform adenocarcinoma of tongue and other minor salivary glands (CAMSGs). MASC is a distinctive low-grade malignant salivary cancer that harbors a characteristic chromosomal translocation, t(12;15) (p13;q25) resulting in an ETV6-NTRK3 fusion. SPA is a rare lesion often mistaken histologically for low-grade salivary carcinoma...
January 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/28043581/common-features-of-tuberculosis-and-sarcoidosis
#20
Esmaeil Mortaz, Mohammad Reza Masjedi, Atefeh Abedini, Soheila Matroodi, Arda Kiani, Dina Soroush, Ian M Adcock
Tuberculosis (TB) is a disease caused by Mycobacterium tuberculosis. Despite the availability of novel therapeutic approaches, TB is considered as one of the leading causes of death due to infectious diseases worldwide. Alveolar macrophages are the first line of defense against M. tuberculosis; they ingest and sequester the bacilli within granulomatous structures. Control and resolution of the infection requires activated T lymphocytes as well as Th1 cytokines. There are two forms of TB: active TB and latent TB...
December 2016: International Journal of Mycobacteriology
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