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Salivary duct carcinoma

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https://www.readbyqxmd.com/read/28321773/salivary-duct-carcinoma-an-update-on-morphologic-mimics-and-diagnostic-use-of-androgen-receptor-immunohistochemistry
#1
Aaron M Udager, Simion I Chiosea
More than 15 years ago, seminal studies by Dr. E. Leon Barnes and colleagues transformed our understanding of salivary duct carcinoma (SDC) and, in doing so, paved the way for contemporary diagnostic and therapeutic approaches to this aggressive salivary adenocarcinoma. In particular, attention to the apocrine phenotype of SDC and expression of androgen receptor (AR) by immunohistochemistry has improved the diagnostic accuracy and showed how SDC can be reliably distinguished from its morphologic mimics (i.e...
March 20, 2017: Head and Neck Pathology
https://www.readbyqxmd.com/read/28292389/salivary-duct-carcinoma-of-the-parotid-gland-report-of-two-cases-in-females
#2
(no author information available yet)
Salivary duct carcinoma is a rare tumor, commonly involving parotid gland. It typically affects middle aged to elderly males. The tumor has an aggressive behaviour and is notorious for early metastasis, high rate of local recurrence, and high mortality. Treatment is mainly surgical but other modalities are also used. We are reporting 2 cases in females who had different presentation, course of disease, treatment, and prognosis.
February 2017: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/28261993/carcinoma-ex-pleomorphic-adenoma-a-diagnostic-challenge-on-cytology
#3
Kanika Singh, Charu Agarwal, Mukta Pujani, Pragya Verma, Varsha Chauhan
Carcinoma ex pleomorphic adenoma (Ca ex PA) is a malignant neoplasm arising from primary or recurrent benign pleomorphic adenoma. It is rare with an annual incidence rate of 0.17 tumors per million. Histopathology remains the gold standard for the diagnosis of Ca ex PA, with only a handful of cases reported on cytology. In our case a 66-year-old male presented with the right parotid mass for 5 years rapidly increasing for the last 3 months. Fine needle aspiration cytology (FNAC) smears showed malignant tumor cells in clusters along with benign myoepithelial cells in chondromyxoid background...
March 6, 2017: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/28249649/systemic-therapy-in-metastatic-salivary-gland-carcinomas-a-pathology-driven-paradigm
#4
REVIEW
Salvatore Alfieri, Roberta Granata, Cristiana Bergamini, Carlo Resteghini, Paolo Bossi, Lisa F Licitra, Laura D Locati
Salivary gland carcinomas (SGCs) represent one of the most complex tumors from a pathological point of view. According to the World Health Organization (WHO) classification (2005), twenty-four malignant histotypes are recognized, almost all characterized by specific morphological and genetic features as well as by particular clinical behavior. Loco-regional relapse and distant metastases are quite common. Distant metastases are diagnosed in 25-55% of the patients and only 20% of them are alive after 5years...
March 2017: Oral Oncology
https://www.readbyqxmd.com/read/28247228/update-from-the-4th-edition-of-the-world-health-organization-classification-of-head-and-neck-tumours-what-is-new-in-the-2017-who-blue-book-for-tumors-and-tumor-like-lesions-of-the-neck-and-lymph-nodes
#5
Nora Katabi, James S Lewis
The World Health Organization (WHO) 2017 Classification of Head and Neck Tumors ("Blue Book") will now include a new chapter on tumors and tumor-like lesions of the neck and lymph nodes, which was not included in the previous edition. Tumors and tumor-like lesions, including a variety of cysts and metastases, can arise in any component in the neck, including soft tissue, lymph nodes, and developmental remnants. The pathology and clinical features of metastatic carcinoma of unknown primary in the head and neck has changed dramatically in the last several years...
March 2017: Head and Neck Pathology
https://www.readbyqxmd.com/read/28247227/update-from-the-4th-edition-of-the-world-health-organization-classification-of-head-and-neck-tumours-tumors-of-the-salivary-gland
#6
Raja R Seethala, Göran Stenman
The salivary gland section in the 4th edition of the World Health Organization classification of head and neck tumors features the description and inclusion of several entities, the most significant of which is represented by (mammary analogue) secretory carcinoma. This entity was extracted mainly from acinic cell carcinoma based on recapitulation of breast secretory carcinoma and a shared ETV6-NTRK3 gene fusion. Also new is the subsection of "Other epithelial lesions," for which key entities include sclerosing polycystic adenosis and intercalated duct hyperplasia...
March 2017: Head and Neck Pathology
https://www.readbyqxmd.com/read/28208703/androgen-receptor-signaling-in-salivary-gland-cancer
#7
REVIEW
Martin G Dalin, Philip A Watson, Alan L Ho, Luc G T Morris
Salivary gland cancers comprise a small subset of human malignancies, and are classified into multiple subtypes that exhibit diverse histology, molecular biology and clinical presentation. Local disease is potentially curable with surgery, which may be combined with adjuvant radiotherapy. However, metastatic or unresectable tumors rarely respond to chemotherapy and carry a poorer prognosis. Recent molecular studies have shown evidence of androgen receptor signaling in several types of salivary gland cancer, mainly salivary duct carcinoma...
February 8, 2017: Cancers
https://www.readbyqxmd.com/read/28194567/ultrastructural-characterization-of-mammary-analogue-secretory-carcinoma-of-the-salivary-glands-a-distinct-entity-from-acinic-cell-carcinoma
#8
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/28166157/223ra-dichloride-bone-targeted-therapy-in-a-case-of-metastatic-salivary-duct-carcinoma
#9
Matteo Manfredi, Mario Airoldi, Marcello Tucci, Consuelo Buttigliero, Antonella Parente, Tiziana Angusti
Salivary duct carcinoma (SDC) is a rare malignancy, frequently overexpressing androgen receptor (AR). Therefore, similar to AR-positive prostate cancer (PCa), AR-positive SDC patients benefit from androgen deprivation therapy and, after progression on ADT, might take advantage of Ra dichloride, a radiopharmaceutical approved for the treatment of castration-resistant PCa with symptomatic bone disease. We report the case of a 75-year-old man with castration-resistant SDC and osteoblastic bone metastases who, after Ra treatment, achieved adequate control of bone pain and bone lesion reduction with minor side effects...
February 3, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28144036/mammary-analog-secretory-carcinoma-low-grade-salivary-duct-carcinoma-and-mimickers-a-comparative-study
#10
Todd M Stevens, Andra O Kovalovsky, Claudia Velosa, Qiuying Shi, Qian Dai, Randall P Owen, Walter C Bell, Shi Wei, Pamela A Althof, Jennifer N Sanmann, Larissa Sweeny, William R Carroll, Gene P Siegal, Martin J Bullock, Margaret Brandwein-Gensler
No abstract text is available yet for this article.
February 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/28073374/successful-multimodal-treatment-of-intraoral-salivary-duct-carcinoma-in-a-patient-with-multiple-lymph-node-metastases-a-case-report
#11
Shuichi Imaue, Kei Tomihara, Takeru Hamashima, Gakuto Tomizawa, Kuninori Nomura, Masakiyo Sasahara, Makoto Noguchi
BACKGROUND: Salivary duct carcinoma (SDC) is a high-grade salivary gland malignancy that is associated with an aggressive clinical behavior and poor prognosis. Herein, we report on a long surviving case of SDC of the minor salivary gland with multiple lymph node metastases (LNMs). CASE PRESENTATION: An 83-year-old woman presented with a history of lymphadenopathy in the right side of the neck and recent onset and rapid growth of a mass in the right buccal region...
January 10, 2017: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28006087/significant-and-durable-clinical-benefit-from-trastuzumab-in-2-patients-with-her2-amplified-salivary-gland-cancer-and-a-review-of-the-literature
#12
Lauren M Thorpe, Alexa B Schrock, Rachel L Erlich, Vincent A Miller, James Knost, Nguyet Le-Lindqwister, Srinivas Jujjavarapu, Siraj M Ali, Jane J Liu
BACKGROUND: Salivary ductal carcinoma and carcinoma ex pleomorphic adenoma (CEPA) are aggressive salivary gland cancers with poor prognosis. The standard of care is resection with or without radiotherapy, and there are no established systemic therapy options. METHODS: We describe 1 patient with metastatic CEPA and 1 patient with metastatic recurrent salivary duct carcinoma whose tumors were evaluated by comprehensive genomic profiling. Testing identified human epidermal growth factor receptor 2 (HER2) amplification in both patients, and an additional activating HER2 mutation in the CEPA case...
December 22, 2016: Head & Neck
https://www.readbyqxmd.com/read/27894101/impact-of-hematological-inflammatory-markers-on-clinical-outcome-in-patients-with-salivary-duct-carcinoma-a-multi-institutional-study-in-japan
#13
Daisuke Kawakita, Yuichiro Tada, Yorihisa Imanishi, Shintaro Beppu, Kiyoaki Tsukahara, Satoshi Kano, Hiroyuki Ozawa, Kenji Okami, Yuichiro Sato, Akira Shimizu, Yukiko Sato, Chihiro Fushimi, Soichiro Takase, Takuro Okada, Hiroki Sato, Kuninori Otsuka, Yoshihiro Watanabe, Akihiro Sakai, Koji Ebisumoto, Takafumi Togashi, Yushi Ueki, Hisayuki Ota, Tomotaka Shimura, Toyoyuki Hanazawa, Shingo Murakami, Toshitaka Nagao
The prognostic role of modified Glasgow Prognostic Score (mGPS), neutrophil-to-lymphocyte ratio (NLR) and platelet-to-lymphocyte ratio (PLR) in patients with salivary duct carcinoma (SDC) remains unclear. We conducted a multi-institutional retrospective cohort study of 140 SDC patients. The survival impact of these hematological markers was evaluated using multivariate proportional hazard models.High mGPS (≥1) was significantly associated with worse survival (3-year overall survival (OS): 16.7% vs 66.1%, p-value=0...
January 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/27864182/pleuromediastinal-epithelial-myoepithelial-carcinomas-a-clinicopathologic-and-immunohistochemical-study-of-two-cases
#14
Annikka Weissferdt, Neda Kalhor, Cesar A Moran
OBJECTIVES: Two cases of epithelial-myoepithelial carcinoma are presented, one arising in the pleura and the other in the anterior mediastinum. The cases represent a unique distribution of these tumors within the thoracic cavity. METHODS: Both patients were men aged 25 and 68 years, respectively, who had chest pain and dyspnea. Imaging revealed an anterior mediastinal mass in one patient and a pleural-based tumor in the other. Neither patient had any history of malignancy, and physical examination did not disclose any tumor elsewhere...
December 2016: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/27821319/a-phase-ii-study-of-sorafenib-in-recurrent-and-or-metastatic-salivary-gland-carcinomas-translational-analyses-and-clinical-impact
#15
L D Locati, F Perrone, B Cortelazzi, C Bergamini, P Bossi, E Civelli, C Morosi, S Lo Vullo, M Imbimbo, P Quattrone, G P Dagrada, R Granata, C Resteghini, A Mirabile, S Alfieri, E Orlandi, L Mariani, G Saibene, S Pilotti, L Licitra
BACKGROUND: Pre-clinical and clinical evidence suggests a rationale for the use of anti-angiogenic agents, including sorafenib, in recurrent and/or metastatic salivary gland carcinomas (RMSGCs). This study evaluates the activity of sorafenib in patients with RMSGCs and also investigates whether the activity of sorafenib could be related to its main tailored targets (i.e. BRAF, vascular endothelial growth factor receptor 2 [VEGFR2], platelet-derived growth factor receptor α [PDGFRα] and β, RET, KIT)...
November 4, 2016: European Journal of Cancer
https://www.readbyqxmd.com/read/27793934/blockade-of-androgen-induced-malignant-phenotypes-by-flutamide-administration-in-human-salivary-duct-carcinoma-cells
#16
Y U Kamata, Tomoki Sumida, Ryuichi Murase, Hiroyuki Nakano, Tomohiro Yamada, Yoshihide Mori
BACKGROUND/AIM: Androgens are known to play a critical role in prostate cancer progression, but their effect on malignant phenotypes in salivary gland cancer is unclear. The androgen-androgen receptor (AR) axis may be involved in malignant phenotypes of salivary duct carcinoma (SDC) cells and therefore may be a new target for SDC treatment. To test this hypothesis, we investigated the effect of the androgen 5α-dihydrotestosterone (DHT) on proliferation, migration, and invasiveness of SDC cells...
2016: Anticancer Research
https://www.readbyqxmd.com/read/27769738/salivary-gland-tumours-in-a-northern-chinese-population-a-50-year-retrospective-study-of-7190-cases
#17
M Gao, Y Hao, M X Huang, D Q Ma, Y Chen, H Y Luo, Y Gao, Z Q Cao, X Peng, G Y Yu
The aims of this study were to investigate the epidemiological and clinical characteristics of epithelial salivary gland tumours in a northern Chinese population and to evaluate the current TNM classification system. A demographic and descriptive analysis of 7190 epithelial salivary gland tumours was performed. There were 4654 benign tumours and 2536 malignant tumours. The percentage of tumours located in the parotid, submandibular, sublingual, and minor salivary glands was 62.66%, 9.92%, 2.57%, and 24.85%, respectively; 22...
March 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/27721618/salivary-duct-carcinoma-in-the-mandibular-anterior-region-the-role-of-immunohistochemical-markers-in-its-definitive-diagnosis
#18
Chetana Chandrasekar, Naser Salati, Lakshmi Rao, Raghu Radhakrishnan
Salivary duct carcinoma (SDC) is a high-grade adenocarcinoma arising from the ductal epithelium of salivary glands which rarely involves the minor salivary glands. The varied histological presentation in the minor salivary gland tumors makes them the most heterogeneous group of neoplasms, making the diagnosis a challenge. This report highlights the importance of immunohistochemical markers in the definitive diagnosis of SDC.
September 2016: Journal of Oral and Maxillofacial Pathology: JOMFP
https://www.readbyqxmd.com/read/27662657/mdm2-and-cdk4-amplifications-are-rare-events-in-salivary-duct-carcinomas
#19
Inga Grünewald, Marcel Trautmann, Alina Busch, Larissa Bauer, Sebastian Huss, Petra Schweinshaupt, Claudia Vollbrecht, Margarete Odenthal, Alexander Quaas, Reinhard Büttner, Moritz F Meyer, Dirk Beutner, Karl-Bernd Hüttenbrink, Eva Wardelmann, Markus Stenner, Wolfgang Hartmann
Salivary duct carcinoma (SDC) is an aggressive adenocarcinoma of the salivary glands associated with poor clinical outcome. SDCs are known to carry TP53 mutations in about 50%, however, only little is known about alternative pathogenic mechanisms within the p53 regulatory network. Particularly, data on alterations of the oncogenes MDM2 and CDK4 located in the chromosomal region 12q13-15 are limited in SDC, while genomic rearrangements of the adjacent HMGA2 gene locus are well documented in subsets of SDCs. We here analyzed the mutational status of the TP53 gene, genomic amplification of MDM2, CDK4 and HMGA2 rearrangement/amplification as well as protein expression of TP53 (p53), MDM2 and CDK4 in 51 de novo and ex pleomorphic adenoma SDCs...
September 20, 2016: Oncotarget
https://www.readbyqxmd.com/read/27630945/minor-salivary-gland-changes-in-oral-epithelial-dysplasia-and-oral-squamous-cell-carcinoma-a-histopathological-study
#20
Sunil Paramel Mohan, Ravi Teja Chitturi, Yoithapprabhunath Thukanayakanpalayam Ragunathan, Suman Jhansi Lakshmi, Jaisanghar Nallusamy, Isaac Joseph
INTRODUCTION: The most common etiology for Oral Squamous Cell Carcinoma (OSCC) is tobacco and tobacco related products which cause nuclear damage to the keratinocytes. The chemical carcinogens not only affect the lining of oral epithelium but also affect the lining epithelium of the excretory ducts of the salivary glands. Thus, there is a possibility of epithelial dysplasia of the salivary duct epithelium which may lead to potential malignant transformation. AIM: The study was performed to see the changes in the minor salivary glands and excretory ducts in cases of oral epithelial dysplasia and OSCC...
July 2016: Journal of Clinical and Diagnostic Research: JCDR
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