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Salivary gland pathology

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https://www.readbyqxmd.com/read/29237344/epithelial-myoepithelial-carcinoma-of-the-nasal-cavity-clinical-histopathological-and-immunohistochemical-distinction-of-a-case-report
#1
Sally Nguyen, Marjorie Perron, Sylvie Nadeau, Alexandre Nakao Odashiro, Marie-Noëlle Corriveau
BACKGROUND: Epithelial myoepithelial carcinomas (EMCs) are rare low-grade salivary gland tumors. Here, we report the case of a 75-year-old man presenting with an oncocytic variant of EMC of the nasal cavity, initially diagnosed as an oncocytoma. METHODS: Our patient underwent functional sinus surgery in 2012. On pathology, an oncocytic neoplasm was found in the right nasal cavity, characterized by fragments of uniform bland oncocytic cells with bilayered arrangement of nuclei...
December 1, 2017: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/29211833/a-prospective-phase-ii-study-of-combined-androgen-blockade-in-patients-with-androgen-receptor-positive-metastatic-or-locally-advanced-unresectable-salivary-gland-carcinoma
#2
C Fushimi, Y Tada, H Takahashi, T Nagao, H Ojiri, T Masubuchi, T Matsuki, K Miura, D Kawakita, H Hirai, E Hoshino, S Kamata, T Saotome
Background: There is no standard first-line chemotherapy for recurrent/metastatic or unresectable locally advanced salivary gland carcinoma (SGC). Patients and methods: We conducted a single institution, open-label, single arm, phase II trial of combined androgen blockade (CAB) for androgen receptor (AR)-positive SGC. Leuprorelin acetate was administered subcutaneously at a dose of 3.75 mg every 4 weeks. Bicalutamide was administered orally at a daily dose of 80 mg...
December 1, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/29208801/grossing-of-oral-pathologies-revisited
#3
Raju Shashidara, Shankargouda Patil, Roopa S Rao, Ebi Scindiya, Ann Tryphena
Grossing pathologies, otherwise known as macroscopic cutup for diagnostic information, is a vital laboratory step as it impacts the patient treatment and prognosis. However, it is a challenging skill acquired with keen observation, experience, and correlation between macroscopy and microscopy. Before we make an attempt to gross, it is imperative to have sound knowledge about its general principles and its applications as it differs among different lesions. Thereby, we have made an attempt to enhance the guidelines for gross description and also updated on the general principles...
December 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/29203745/the-use-of-morphological-study-technique-for-investigation-of-labial-and-palatine-glands
#4
Volodymyr H Hryn, Oleg O Sherstyuk, Nataliia L Svintsytska, Аndrij V Piliuhin, Roman L Ustenko
INTRODUCTION: Due to the deterioration of environmental conditions that promotes the onset of inflammatory and autoimmune diseases, and the progress in the diagnosis, the frequency of registration of intercurrent pathology of salivary glands has markedly risen in recent years, demonstrating the increased scientific interest in the research of the common and distinctive features of their structure. THE AIM: The paper was aimed at the development of the method of morphological study of human minor salivary (labial and palatine) glands by the use of plastic wax reconstruction to obtain the plastic model of the acini and ducts of human minor salivary glands...
2017: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29200960/solitary-fibrous-tumor-occurring-in-the-parotid-gland-a-case-report
#5
Meryem Rais, Amine Kessab, Zahra Sayad, Sanae El Mourabit, Redallah Zrarqi, Salma Benazzou, Malik Boulaadas, Nadia Cherradi
Background: Solitary fibrous tumor is an uncommon spindle cell neoplasm of unknown origin. It has been reported in many anatomic sites, with a rare occurrence in the head and neck region. Solitary fibrous tumors of the parotid gland are exceptional; their clinical and radiologic features are non specific, often mimicking more common salivary gland tumors. Pathologic examination and immunohistochemistry are required to make the correct diagnosis. The prognosis is favorable, with most tumors being benign, and complete surgical resection is the treatment of choice...
2017: BMC Clinical Pathology
https://www.readbyqxmd.com/read/29191210/new-clues-to-the-nature-of-immunoglobulin-g4-related-disease-a-retrospective-japanese-multicenter-study-of-baseline-clinical-features-of-334-cases
#6
Kazunori Yamada, Motohisa Yamamoto, Takako Saeki, Ichiro Mizushima, Shoko Matsui, Yuhei Fujisawa, Satoshi Hara, Hiroki Takahashi, Hideki Nomura, Shigeyuki Kawa, Mitsuhiro Kawano
BACKGROUND: The aim was to further characterize immunoglobulin G4-related disease (IgG4-RD) by a large-scale multicenter study of its clinical and laboratory features conducted by multidisciplinary physicians of IgG4-RD in Japan. METHODS: Various specialists retrospectively evaluated IgG4-RD patients diagnosed between 1996 and 2015 in five hospitals by analyzing their baseline clinical features, laboratory, imaging, and pathological test findings, and treatment...
December 1, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/29178364/fine-needle-aspiration-cytology-for-parotid-lesions-can-we-avoid-surgery
#7
Yotam Shkedy, Uri Alkan, Aviram Mizrahi, Tzippy Shochat, Orr Dimitstein, Sara Morgenstern, Thomas Shpitzer, Gideon Bachar
OBJECTIVE: Salivary gland neoplasms are rare tumors, with most arising in the parotid gland. Fine-needle aspiration cytology (FNAC) is a common method for pre-operative evaluation of parotid masses, although its usefulness is controversial. This study was designed to evaluate the accuracy of FNAC in a large cohort of patients, with emphasis on diagnosis of benign tumors and especially Warthin tumor which can be managed conservatively. STUDY DESIGN: Retrospective case series with chart review...
November 27, 2017: Clinical Otolaryngology
https://www.readbyqxmd.com/read/29174934/primary-lesions-that-may-imitate-metastatic-tumors-histologically-a-selective-review
#8
REVIEW
Mark R Wick
Several primary pathologic entities in diverse anatomic locations have the potential to simulate metastatic neoplasms histologically. Their misinterpretation as such may result in needless and extensive clinical evaluations that are intended to detect a presumed malignancy at another site. More importantly, mistakes of this type can deprive patients of surgical excisions that could be curative. This presentation considers a review of selected primary lesions that can simulate metastases. They include hemangioblastoma, glioblastoma and meningioma with epithelial metaplasia, choroid plexus carcinomas, primary neuroendocrine carcinomas in unusual locations, special forms of sinonasal and salivary glandular adenocarcinoma, clear-cell thyroid carcinomas, unusual microscopic subtypes of pulmonary adenocarcinoma, epithelioid myomelanocytomas ("sugar tumors"), mesotheliomas, primary thymic carcinomas, endodermal choristomas of the interatrial myocardium, peripheral cholangiocarcinoma, adrenocortical carcinoma, adenocarcinomas of the urinary bladder, mucinous and "rhabdoid" tumors of the ovaries, rete testis adenocarcinomas, interdigitating dendritic-cell sarcoma of lymph nodes, selected sweat gland carcinomas, cutaneous Merkel cell carcinoma, primary dermal and subcutaneous melanoma, mucosal and visceral melanomas, epithelioid sarcoma, clear-cell sarcoma, and adamantinoma of long bones...
November 17, 2017: Seminars in Diagnostic Pathology
https://www.readbyqxmd.com/read/29158832/clinical-translation-and-first-in-human-use-of-44-sc-sc-psma-617-for-pet-imaging-of-metastasized-castrate-resistant-prostate-cancer
#9
Elisabeth Eppard, Ana de la Fuente, Martina Benešová, Ambreen Khawar, Ralph A Bundschuh, Florian C Gärtner, Barbara Kreppel, Klaus Kopka, Markus Essler, Frank Rösch
BACKGROUND: Various trivalent radiometals are well suited for labeling of DOTA-conjugated variants of Glu-ureido-based prostate-specific membrane antigen (PSMA) inhibitors. The DOTA-conjugate PSMA-617 has proven high potential in PSMA radioligand therapy (PSMA-RLT) of prostate cancer as well as PET imaging when labeled with lutetium-177 and gallium-68 respectively. Considering the relatively short physical half-life of gallium-68 this positron emitter precludes prolonged acquisition periods, as required for pre-therapeutic dosimetry or intraoperative applications...
2017: Theranostics
https://www.readbyqxmd.com/read/29151106/survival-outcome-of-intermediate-grade-salivary-gland-carcinoma
#10
Gi Cheol Park, Jong-Lyel Roh, Kyung-Ja Cho, Yong Gi Jung, Hyoun Wook Lee, Tae Gyu Kim, Seung-Ho Choi, Soon Yuhl Nam, Sang Yoon Kim
OBJECTIVE: Histological grade is the most important factor for defining treatment strategies and predicting prognosis for salivary gland carcinoma (SGC). We examined factors affecting long-term recurrence and survival among intermediate-grade SGC (IGSGC) patients to define optimal treatment modalities and outcomes. METHODS: We reviewed the clinical and pathological data on 108 IGSGC patients who underwent definitive surgery with or without postoperative radiotherapy...
November 18, 2017: Oncology
https://www.readbyqxmd.com/read/29148407/minor-salivary-gland-fibrosis-in-sj%C3%A3-gren-s-syndrome-is-elevated-associated-with-focus-score-and-not-solely-a-consequence-of-aging
#11
Kerry M Leehan, Nathan P Pezant, Astrid Rasmussen, Kiely Grundahl, Jacen S Moore, Lida Radfar, David M Lewis, Donald U Stone, Christopher J Lessard, Nelson L Rhodus, Barbara M Segal, R Hal Scofield, Kathy L Sivils, Courtney Montgomery, A Darise Farris
OBJECTIVES: Evaluate the presence of minor salivary gland (SG) fibrosis in primary Sjögren's syndrome (pSS) as a function of disease pathology or a consequence of ageing. METHODS: Subjects with sicca symptoms attending a Sjögren's research clinic were classified by American European Consensus Group (AECG) criteria as either pSS or non-SS (nSS). Discovery (n=34 pSS, n=28 nSS) and replication (n=35 pSS, n=31 nSS) datasets were evaluated. Minor SG cross-sections from haematoxylin and eosin stained slides were imaged, digitally reconstructed and analysed for percent area fibrosis...
October 23, 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/29134953/incidental-finding-of-upper-lip-warthin-tumor
#12
Marzia Petrocelli, Carolina Sbordone, Giovanni Salzano, Giovanni Dell'Aversana Orabona, Francesco Maria Cassandro, Stefano Fusetti, Luigi Califano, Ettore Cassandro
AIM: This report shows an incidental finding of Warthin tumor in upper lip mucosa during hospitalization for a biting lesion of cheek mucosa MATERIALS AND METHODS: A 32-year-old male affected by a biting lesion of cheek mucosa was presented at Maxillo- Facial Unit of Federico II University. Clinical examination showed as an incidental finding a solid mass in the superficial layer of upper lip mucosa. We performed mini-invasive surgical treatment to obtain a radical excision of the cheek lesion at the same time as excision of Warthin tumor...
November 14, 2017: Annali Italiani di Chirurgia
https://www.readbyqxmd.com/read/29076874/clear-cell-carcinoma-of-salivary-glands-is-frequently-p16-positive-a-pitfall-in-the-interpretation-of-oropharyngeal-biopsies
#13
Justin A Bishop, Lisa M Rooper, Simion I Chiosea, William H Westra
Clear cell carcinoma (CCC) is a low-grade malignancy that commonly arises in minor salivary glands of the oropharynx and other sites. EWSR1-ATF1 gene fusions seem to be specific for this salivary neoplasm. Testing for EWSR1-ATF1 has expanded the histologic spectrum of CCC. As one important example, many CCCs have a predominantly squamous phenotype with few clear cells, a finding that can cause confusion with squamous cell carcinoma (SqCC). P16 immunohistochemical staining to determine human papillomavirus (HPV) status has become standard practice for all oropharyngeal carcinomas showing squamous differentiation...
October 26, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/29076873/molecular-profiling-of-mammary-analog-secretory-carcinoma-revealed-a-subset-of-tumors-harboring-a-novel-etv6-ret-translocation-report-of-10-cases
#14
Alena Skalova, Tomas Vanecek, Petr Martinek, Ilan Weinreb, Todd M Stevens, Roderick H W Simpson, Martin Hyrcza, Niels J Rupp, Martina Baneckova, Michael Michal, David Slouka, Tomas Svoboda, Alena Metelkova, Arghavan Etebarian, Jaroslav Pavelka, Steven J Potts, Jason Christiansen, Petr Steiner, Michal Michal
ETV6 gene abnormalities are well described in tumor pathology. Many fusion partners of ETV6 have been reported in a variety of epithelial, mesenchymal, and hematological malignancies. In salivary gland tumor pathology, however, the ETV6-NTRK3 translocation is specific for (mammary analog) secretory carcinoma, and has not been documented in any other salivary tumor type. The present study comprised a clinical, histologic, and molecular analysis of 10 cases of secretory carcinoma, with typical morphology and immunoprofile harboring a novel ETV6-RET translocation...
October 26, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/29073562/dipeptidyl-peptidase-4-inhibitor-enhances-restoration-of-salivary-glands-impaired-by-obese-insulin-resistance
#15
Jitjiroj Ittichaicharoen, Nattayaporn Apaijai, Pongpan Tanajak, Piangkwan Sa-Nguanmoo, Nipon Chattipakorn, Siriporn Chattipakorn
OBJECTIVE: Chronic high-fat diet consumption causes not only obese- insulin resistance, but also leads to pathological changes in salivary glands, including increased mitochondrial dysfunction, apoptosis, oxidative stress, and inflammation. Dipeptidyl peptidase-4 inhibitor (vildagliptin) is an oral anti-diabetic drug, using for treatment of type 2 diabetes. Vildagliptin has been shown to exert beneficial effects on several organs in cases of obese-insulin resistant condition. However, the effect of vildagliptin on salivary glands impaired by obese-insulin resistance has not been investigated...
October 20, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/29068606/salivary-lipids-a-review
#16
REVIEW
Jan Matczuk, Małgorzata Żendzian-Piotrowska, Mateusz Maciejczyk, Krzysztof Kurek
Saliva is produced by both large and small salivary glands and may be considered one of the most important factors influencing the behavior of oral cavity homeostasis. Secretion of saliva plays an important role in numerous significant biological processes. Saliva facilitates chewing and bolus formation as well as performs protective functions and determines the buffering and antibacterial prosperities of the oral environment. Salivary lipids appear to be a very important component of saliva, as their qualitative and quantitative composition can be changed in various pathological states and human diseases...
September 2017: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/29022754/different-protocols-of-photobiomodulation-therapy-of-hyposalivation
#17
Božana Lončar Brzak, Livia Cigić, Marinka Baričević, Ivan Sabol, Marinka Mravak-Stipetić, Dubravko Risović
AIM: Photobiomodulation (PBM) therapy has proved to be effective for a wide range of oral pathologies including oral dryness, but the literature still lacks reports of clinical trials and protocols. The purpose of our study was to evaluate the effects of different wavelengths of PBM on salivation in patients suffering from hyposalivation aiming at determination of optimal treatment protocol. MATERIALS AND METHODS: This study included 30 patients whose major salivary glands were treated with low-intensity diode laser BTL2000 (Medical Technologies, s...
October 12, 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/28991715/clinical-and-pathological-findings-in-familial-amyloid-polyneuropathy-caused-by-a-transthyretin-e61k-mutation
#18
Tatsufumi Murakami, Hirotake Nishimura, Taiji Nagai, Shoji Hemmi, Yumiko Kutoku, Yutaka Ohsawa, Yoshihide Sunada
Familial amyloid polyneuropathy (FAP) is an autosomal dominant hereditary systemic amyloidosis caused by mutation of the transthyretin (TTR) gene, and usually shows sensory-dominant polyneuropathy and autonomic neuropathy at the initial stage. The pathogenesis of this neuropathy remains unknown, although several mechanisms, including mechanical compression, vessel occlusion, TTR toxicity and Schwann cell dysfunction have been proposed. We describe a patient with late-onset FAP caused by a TTR E61K mutation...
October 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28988418/clinical-utility-of-18-f-fluorodeoxyglucose-positron-emission-tomography-in-diagnosis-of-immunoglobulin-g4-related-sclerosing-sialadenitis
#19
Kenichi Takano, Ryoto Yajima, Ryuta Kamekura, Motohisa Yamamoto, Hiroki Takahashi, Naoya Yama, Masamitsu Hatakenaka, Tetsuo Himi
OBJECTIVES/HYPOTHESIS: The aim of this study was to evaluate the utility of (18) F-fluorodeoxyglucose (FDG) positron emission tomography/computed tomography (PET/CT) for accurately diagnosing immunoglobulin G4-related sclerosing sialadenitis (IgG4-SS). STUDY DESIGN: Retrospective cohort study. METHODS: We reviewed the records of 64 patients with IgG4-SS (35 male and 29 female patients) and 10 patients with clinically suspected IgG4-SS. Pathological diagnoses of patients clinically suspected with IgG4-SS included four cases of malignant lymphoma, one case of multicentric Castleman disease, one case of Sjögren's syndrome, and four cases of sialadenitis...
October 8, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28982213/primary-salivary-gland-malignancies-a-review-of-clinicopathological-evolution-molecular-mechanisms-and-management
#20
REVIEW
James Badlani, Ruta Gupta, Deepak Balasubramanian, Joel Smith, Peter Luk, Jonathan Clark
Salivary gland cancers are a complex group of tumours with variations in location, type and grade, all of which influence their biological behaviour. The understanding of salivary gland pathology has evolved at the molecular level in the last decade leading to identification of distinct entities, development of improved methods of diagnosis as well as identifying therapeutic targets for selected high-grade tumours. This article focuses on these advances and their impact on the management of primary salivary gland cancers...
October 5, 2017: ANZ Journal of Surgery
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