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Salivary gland cancer, breast cancer

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https://www.readbyqxmd.com/read/29019325/ambiguity-of-whole-body-pet-ct-scans-in-diagnosis-of-co-existing-tuberculosis-and-malignancy-is-histopathological-confirmation-mandatory
#1
Prekshi Chaudhary, Sweety Gupta, Nitin Leekha, Ravi S Rajendra, Shiv S Mishra, Vandana Arora, Sudarsan De, Sandeep Agarwal
INTRODUCTION: Whole body PET CT is an important investigation tool in malignancy patients and helps in ascertaining the metabolic activity and exact stage of the disease. However, like any other investigation, false positive results do exist and certain diseases other than cancer may show increased uptake. Hence, a careful evaluation of PET CT and clinical correlation in malignancy patients is a must to accomplish the suitable treatment. METHODS: In this retrospective observational study, seven cases of cancer with concomitant tuberculosis were included...
September 2017: Gulf Journal of Oncology
https://www.readbyqxmd.com/read/28960648/second-primary-cancer-after-major-salivary-gland-carcinoma
#2
Karoliina Hirvonen, Matti Rantanen, Aaro Haapaniemi, Janne Pitkäniemi, Nea Malila, Antti A Mäkitie
BACKGROUND: We investigated the risk of second primary cancers after major salivary gland carcinoma in Finland, with a population of 5.5 million. METHODS: Nationwide cancer registry data were used to identify patients with major salivary gland carcinoma diagnosed between 1953 and 2014. Standardized incidence ratios (SIRs) were estimated to compare their second primary cancer risk with the respective site-specific cancer risk in the general population. RESULTS: There were 1727 patients with major salivary gland carcinomas and 222 second primary cancers had been diagnosed in these patients (SIR 1...
September 29, 2017: Head & Neck
https://www.readbyqxmd.com/read/28916201/targeting-heparanase-to-the-mammary-epithelium-enhances-mammary-gland-development-and-promotes-tumor-growth-and-metastasis
#3
Ilanit Boyango, Uri Barash, Liat Fux, Inna Naroditsky, Neta Ilan, Israel Vlodavsky
Heparanase is an endoglucuronidase that uniquely cleaves the heparan sulfate side chains of heparan sulfate proteoglycans. This activity ultimately alters the structural integrity of the ECM and basement membrane that becomes more prone to cellular invasion by metastatic cancer cells and cells of the immune system. In addition, enzymatically inactive heparanase was found to facilitate the proliferation and survival of cancer cells by activation of signaling molecules such as Akt, Src, signal transducer and activation of transcription (Stat), and epidermal growth factor receptor...
September 13, 2017: Matrix Biology: Journal of the International Society for Matrix Biology
https://www.readbyqxmd.com/read/28736315/the-spectrum-of-triple-negative-breast-disease-high-and-low-grade-lesions
#4
REVIEW
Felipe C Geyer, Fresia Pareja, Britta Weigelt, Emad Rakha, Ian O Ellis, Stuart J Schnitt, Jorge S Reis-Filho
Triple-negative breast cancer is viewed clinically as an aggressive subgroup of breast cancer. In fact, most triple-negative breast cancers are poor-prognosis tumors with a complex genomic landscape. However, triple-negative disease is vastly heterogeneous, encompassing multiple entities with marked genetic, transcriptional, histologic, and clinical differences, with neoplasms in this group ranging from low to high grade. Among the less common low-grade triple-negative lesions, two large subgroups, both with a rather indolent behavior, can be distinguished: a low-grade triple-negative breast neoplasia family, which includes nonobligate precursors of triple-negative breast cancer, and, despite being low-grade, harbors the complex genomic landscape of usual triple-negative breast cancer, and the salivary gland-like tumors of the breast, lacking all the cardinal molecular features of conventional triple-negative breast cancer and underpinned by specific fusion genes or hotspot mutations, which may be of diagnostic and possibly therapeutic utility...
October 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28649589/data-supporting-the-anticancer-activity-of-posterior-salivary-gland-psg-toxin-from-the-cuttlefish-sepia-pharaonis-ehrenberg-1831
#5
Ramachandran Karthik, Venkatesan Manigandan, Kumar Ebenezar, Raghavan Vijayashree, Ramachandran Saravanan
The data presented illustrated the in vitro anti-proliferative effect of the PSG toxin from the cuttlefish, Sepia pharaonis. The cytostatic potentials of the PSG toxin were determined by the lymphocyte migration inhibition assay. The PSG toxin (50 μg/ml) exhibited commendable inhibition of the migration of lymphocytes across the agarose gel matrix under the presence of lipopolysaccharide mitogen, with a mean migration index of 0.625. The cytotoxicity of the PSG toxin against selected cancer cell lines was determined using the MTT assay...
August 2017: Data in Brief
https://www.readbyqxmd.com/read/28575794/-99m-tc-labeled-psma-inhibitor-biokinetics-and-radiation-dosimetry-in-healthy-subjects-and-imaging-of-prostate-cancer-tumors-in-patients
#6
Clara Santos-Cuevas, Jenny Davanzo, Guillermina Ferro-Flores, Francisco O García-Pérez, Blanca Ocampo-García, Eleazar Ignacio-Alvarez, Edgar Gómez-Argumosa, Martha Pedraza-López
The prostate-specific membrane antigen (PSMA) is expressed in epithelial cells of the prostate and highly overexpressed in 95% of advanced prostate cancers. The aims of this study was to estimate the biokinetics and dosimetry of (99m)Tc-EDDA/HYNIC-iPSMA ((99m)Tc-labeled PSMA inhibitor) in eight healthy subjects and evaluate its usefulness as a tumor-imaging agent in eight prostate cancer patients. METHODS: (99m)Tc-EDDA/HYNIC-iPSMA was obtained from a lyophilized formulation with radiochemical purities >98%, determined by reversed-phase HPLC and ITLC-SG analyses...
September 2017: Nuclear Medicine and Biology
https://www.readbyqxmd.com/read/28548128/genomic-profiling-of-breast-secretory-carcinomas-reveals-distinct-genetics-from-other-breast-cancers-and-similarity-to-mammary-analog-secretory-carcinomas
#7
Gregor Krings, Nancy M Joseph, Gregory R Bean, David Solomon, Courtney Onodera, Eric Talevich, Iwei Yeh, James P Grenert, Elizabeth Hosfield, Emily D Crawford, Richard C Jordan, Annemieke van Zante, Charles Zaloudek, Sandra J Shin, Yunn-Yi Chen
Secretory carcinomas of the breast are rare tumors with distinct histologic features, recurrent t(12;15)(p13;q25) translocation resulting in ETV6-NTRK3 gene fusion and indolent clinical behavior. Mammary analog secretory carcinomas arising in other sites are histopathologically similar to the breast tumors and also harbor ETV6-NTRK3 fusions. Breast secretory carcinomas are often triple (estrogen and progesterone receptor, HER2) negative with a basal-like immunophenotype. However, genomic studies are lacking, and whether these tumors share genetic features with other basal and/or triple negative breast cancers is unknown...
August 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/28325631/new-concepts-of-personalized-therapy-in-salivary-gland-carcinomas
#8
REVIEW
Gunter Keller, Diana Steinmann, Alexander Quaas, Viktor Grünwald, Stefan Janssen, Kais Hussein
Salivary gland carcinomas are rare tumours and therapy strategies are less standardized than in lung, gastric or breast cancer. Therapy is based on surgery, but not all carcinomas are completely resectable, e.g. because carcinomas often show infiltration of nerves. For further therapy decision pathology is recommended, but evaluation of potential targets for personalized therapy is not part of the routine panel. Many salivary gland carcinomas can be resistant to radio- and/or chemotherapy, which limits therapeutic options...
May 2017: Oral Oncology
https://www.readbyqxmd.com/read/28321773/salivary-duct-carcinoma-an-update-on-morphologic-mimics-and-diagnostic-use-of-androgen-receptor-immunohistochemistry
#9
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/28208703/androgen-receptor-signaling-in-salivary-gland-cancer
#10
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/28103777/role-of-iodine-in-metabolism
#11
Szybiński Zbigniew
The natural resources of iodine are seawater, seaweeds and saltpeter-nitrate deposits in Chile. Over 1/3 of the global population is exposed to iodine deficiency, especially in the mountains. Iodine is a component of the thyroid hormones and a strong antioxidant with electric potential of -0.54 V. Iodine as iodide is taken up by the thyroid gland, gastric mucosa, salivary glands and mammary glands in pregnant and breast-feeding women. The transport of iodine to the thyroid gland is regulated by specific enzymes: Natrium-Iodine Symporter, Na+/K+ATP-ase, Pendrin and Apical Iodine Transporter...
January 19, 2017: Recent Patents on Endocrine, Metabolic & Immune Drug Discovery
https://www.readbyqxmd.com/read/28101030/mucoepidermoid-carcinoma-of-the-breast-found-during-treatment-of-lymphoma
#12
Minoru Fujino, Daisuke Mori, Michiaki Akashi, Hidetaka Yamamoto, Hitoshi Aibe, Kunishige Matake, Kengo Shirahane
A 71-year-old woman, previously treated for malignant lymphoma, was admitted to our hospital with a tumor in the right breast. The tumor size was 2.0 cm in diameter, and the borderline was unclear. The core needle biopsy material revealed an invasive adenocarcinoma with metaplastic change. Right mastectomy and sentinel lymph node biopsy was performed. Histologically, the tumor was composed of mucus-secreting, epidermoid, and intermediate cells. These findings confirmed the diagnosis as mucoepidermoid carcinoma (MEC) of the breast...
September 2016: Case Reports in Oncology
https://www.readbyqxmd.com/read/28001329/fna-biopsy-of-secondary-nonlymphomatous-malignancies-in-salivary-glands-a-multi-institutional-study-of-184-cases
#13
He Wang, Raza S Hoda, William Faquin, Esther Diana Rossi, Nihar Hotchandani, Tianlin Sun, Marc Pusztaszeri, Tommaso Bizzarro, Massimo Bongiovanni, Viren Patel, Nirag Jhala, Guido Fadda, Yun Gong
BACKGROUND: Secondary malignancies of salivary glands (SMSGs) are among the most common malignant neoplasms to involve the salivary glands. Fine-needle aspiration biopsy (FNAB) of SMSG can present diagnostic challenges. The current report presents the largest such FNAB series to date. METHODS: A search of the pathology database from 6 academic institutions identified 184 FNAB cases of nonlymphomatous SMSG. RESULTS: Of the 184 cases, 171 were of the parotid glands, and 13 were of the submandibular glands; 130 patients were men, and 54 were women, and the mean patient age at diagnosis was 68 years...
February 2017: Cancer
https://www.readbyqxmd.com/read/27808478/lacrimal-gland-ductal-carcinomas-clinical-morphological-and-genetic-characterization-and-implications-for-targeted-treatment
#14
Simon Andreasen, Morten Grauslund, Steffen Heegaard
PURPOSE: Ductal carcinomas (DCs) of the lacrimal gland are very rare but aggressive malignancies. We investigated DC of the lacrimal gland for potentially clinically actionable targets in the search for new therapeutic options. METHODS: Case 1: A 77-year-old man, presented with diplopia and xerophtalmia; case 2: A 53-year-old man, presented with headache, proptosis and chemosis and case 3: A 73-year-old man, presenting with chemosis and a corneal abscess. All three cases were characterized morphologically including immunohistochemistry and genetically with fluorescence in situ hybridization (FISH) and one case with next-generation sequencing (NGS) of cancer relevant genes...
May 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/27755404/carcinoma-ex-pleomorphic-adenoma-of-the-tongue-difficulty-in-diagnosis-between-metastasis-of-breast-cancer-and-salivary-tumor
#15
Yuki Sakamoto, Shuichi Fujita, Masaki Adachi, Hiroshi Sakamoto, Tomofumi Naruse, Souichi Yanamoto, Toru Ikeda, Masahiro Umeda
Carcinoma ex pleomorphic adenoma (CEPA) is a carcinoma that shows histologic evidence of arising in or from a benign pleomorphic adenoma. Carcinoma ex pleomorphic adenoma often occurs in parotid glands, but is extremely rarely in the tongue. A 53-year-old Japanese woman was referred to the Department of Oral and Maxillofacial Surgery, Nagasaki University Hospital, because of tumor of the right dorsum tongue. She had a history of surgery of breast cancer (invasive ductal carcinoma) and it was disseminated to the lung and bone...
March 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27667558/salivary-gland-like-breast-carcinomas-an-infrequent-disease
#16
Santiago Sherwell-Cabello, Antonio Maffuz-Aziz, Nina Paola Ríos-Luna, Verónica Bautista-Piña, Sergio Rodríguez-Cuevas
OBJECTIVE: To show the incidence, as well as the clinical and histopathological characteristics, of patients diagnosed with mammary salivary gland-like carcinomas at our institution. MATERIALS AND METHODS: A retrospective study was conducted in all women diagnosed with breast cancer at our institution from January 2005 to February 2016. Patients with diagnosis of salivary gland-like breast carcinomas were included. RESULTS: In this period, 6384 patients were diagnosed with breast cancer at our institution; salivary gland-like carcinomas were found in 7 patients (0...
November 2016: Pathology, Research and Practice
https://www.readbyqxmd.com/read/27631245/hiv-and-cancer-registry-linkage-identifies-a-substantial-burden-of-cancers-in-persons-with-hiv-in-india
#17
Sheela V Godbole, Karabi Nandy, Mansi Gauniyal, Pallavi Nalawade, Suvarna Sane, Shravani Koyande, Joy Toyama, Asha Hegde, Phil Virgo, Kishor Bhatia, Ramesh S Paranjape, Arun R Risbud, Sam M Mbulaiteye, Ronald T Mitsuyasu
We utilized computerized record-linkage methods to link HIV and cancer databases with limited unique identifiers in Pune, India, to determine feasibility of linkage and obtain preliminary estimates of cancer risk in persons living with HIV (PLHIV) as compared with the general population.Records of 32,575 PLHIV were linked to 31,754 Pune Cancer Registry records (1996-2008) using a probabilistic-matching algorithm. Cancer risk was estimated by calculating standardized incidence ratios (SIRs) in the early (4-27 months after HIV registration), late (28-60 months), and overall (4-60 months) incidence periods...
September 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27612480/signatures-of-prostate-derived-ets-factor-pdef-in-cancer
#18
REVIEW
Nitin Mahajan
The Ets proteins are a family of transcription factors characterized by an evolutionarily conserved DNA-binding domain and have diverse biological functions including tumor suppressor as well as tumor promoter functions. They are regulated via a complex and diverse number of mechanisms and control key cellular processes. Prostate-derived Ets transcription factor (PDEF), a unique member of the ETS family, is present in tissues with high epithelial content are hormone-regulated, such as prostate, breast, salivary glands, ovaries, colon, airways, and stomach tissues...
November 2016: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/27561784/mastitis-associated-with-sj%C3%A3-gren-s-syndrome-a-series-of-nine-cases
#19
Radjiv Goulabchand, Assia Hafidi, Ingrid Millet, Jacques Morel, Cédric Lukas, Sébastien Humbert, Sophie Rivière, Christian Gény, Christian Jorgensen, Alain Le Quellec, Hélène Perrochia, Philippe Guilpain
Sjögren's syndrome is well known to target exocrine glands, especially lacrimal and salivary glands, which share with mammary glands anatomical, histological, and immunological features. Herein, we investigated the mammary involvement in patients with Sjögren's syndrome and compared the histological findings with minor salivary gland involvement. We reviewed the charts of patients with Sjögren's syndrome (followed in Montpellier University Hospital, between January 2000 and January 2015), in whom minor salivary gland and mammary tissues were available...
August 25, 2016: Immunologic Research
https://www.readbyqxmd.com/read/27459465/abo-blood-group-and-risk-of-cancer-a-register-based-cohort-study-of-1-6-million-blood-donors
#20
Senthil K Vasan, Jinseub Hwang, Klaus Rostgaard, Olof Nyrén, Henrik Ullum, Ole B V Pedersen, Christian Erikstrup, Mads Melbye, Henrik Hjalgrim, Yudi Pawitan, Gustaf Edgren
INTRODUCTION: The associations between ABO blood group and cancer risk have been studied repeatedly, but results have been variable. Consistent associations have only been reported for pancreatic and gastric cancers. MATERIALS AND METHODS: We estimated associations between different ABO blood groups and site-specific cancer risk in a large cohort of healthy blood donors from Sweden and Denmark. RESULTS: A total of 1.6 million donors were followed over 27 million person-years (20 million in Sweden and 7 million in Denmark)...
October 2016: Cancer Epidemiology
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