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Salivary gland tumors

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https://www.readbyqxmd.com/read/28413869/salivary-duct-carcinoma-with-invasive-micropapillary-and-rhabdoid-feature-arising-in-the-submandibular-gland
#1
Mitsunobu Otsuru, Takayuki Aoki, Yusuke Kondo, Yoshihide Ota, Masashi Sasaki, Takatugu Suzuki, Go Ogura, Nobue Kumaki
Salivary duct carcinoma (SDC) is a high-grade malignant salivary gland tumor associated with poor prognosis, frequent recurrence, and metastasis. An 82-year-old man presented at the department of oral and maxillofacial surgery at Tokai University Hospital with a painless swelling in the right submandibular region that had been there for 20 years. On presentation, an elastic hard tumor, 50 × 50 mm in size, was observed in the submandibular region. Diagnostic imaging was performed, and a malignant tumor in the submandibular gland was suspected...
April 20, 2017: Tokai Journal of Experimental and Clinical Medicine
https://www.readbyqxmd.com/read/28413396/mammary-analogue-secretory-carcinoma-presenting-as-a-cervical-lymph-node-metastasis-of-unknown-primary-site-a-case-report
#2
Kensuke Suzuki, Masao Yagi, Akira Kanda, Yoshiki Kobayashi, Masaya Konishi, Chika Miyasaka, Takashi Tashiro, Hiroshi Iwai
BACKGROUND: Mammary analogue secretory carcinoma (MASC) is a pathological entity arising in the salivary glands first described by Skalova et al. [Am J Surg Pathol 2010;34: 599-608]. Here, we report the first case of MASC presenting as a cervical lymph node metastasis of unknown primary site together with a brief review of the literature. CASE REPORT: We present a 74-year-old male with a painless lump in his left neck. Based on the fine-needle aspiration cytological findings, a possible malignant tumor was suspected...
January 2017: Case Reports in Oncology
https://www.readbyqxmd.com/read/28412212/mucoepidermoid-carcinoma-with-extensive-spindled-morphology-and-melanocytic-marker-expression
#3
Takashi Oide, Kenzo Hiroshima, Yoko Takahashi, Kazunori Fugo, Masanobu Yamatoji, Atsushi Kasamatsu, Yosuke Endo-Sakamoto, Masashi Shiiba, Katsuhiro Uzawa, Hideki Tanzawa, Toshitaka Nagao, Yukio Nakatani
Mucoepidermoid carcinoma (MEC) is the most common malignant neoplasm of the salivary gland. Albeit common, histological variants have rarely been noted in MEC. Here, we report a 49-year-old man with a sublingual gland tumor. Histologically, the tumor was composed of spindle cells arranged in interlacing fascicules or globular nests. A few bland small glands containing mucous cells were also scattered. The spindle tumor cells completely lacked immunoreactivity for cytokeratin, and exhibited immunoreactivity for vimentin, S-100, HMB-45, Melan A, and SOX10...
April 12, 2017: Human Pathology
https://www.readbyqxmd.com/read/28411379/ancillary-testing-strategies-in-salivary-gland-aspiration-cytology-a-practical-pattern-based-approach
#4
REVIEW
Christopher C Griffith, Momin T Siddiqui, Alessandra C Schmitt
Fine needle aspiration of salivary gland tumors is a common preoperative triage as it is useful in determining which patients should undergo surgical resection and in guiding the extent of surgery in those cases deemed appropriate for resection. While a specific diagnosis can be achieved on a cytologic specimen in many cases, there is also a considerable amount of morphologic diversity that prevents such confident preoperative classification and in these cases it can be a challenge to confidently determine if a tumor is benign or malignant...
April 14, 2017: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/28411376/nodular-oncocytic-hyperplasia-can-cytomorphology-allow-for-the-preoperative-diagnosis-of-a-nonneoplastic-salivary-disease
#5
Lisa M Rooper, Mine Onenerk, Momin T Siddiqui, William C Faquin, Justin A Bishop, Syed Z Ali
BACKGROUND: Nodular oncocytic hyperplasia (oncocytosis) of the salivary glands is a benign process that does not inherently require surgical excision. However, cytologic findings in fine-needle aspiration (FNA) of oncocytosis cases have not been well characterized previously, limiting preoperative identification. METHODS: All available cases of oncocytosis with corresponding FNA specimens were identified from the pathology archives of 3 academic institutions. Clinical, cytologic, and histologic findings were tabulated for all cases...
April 14, 2017: Cancer
https://www.readbyqxmd.com/read/28410601/the-diagnosis-and-management-of-nk-t-cell-lymphomas
#6
REVIEW
Eric Tse, Yok-Lam Kwong
Extranodal natural killer (NK)/T-cell lymphoma is an aggressive malignancy of putative NK-cell origin, with a minority deriving from the T-cell lineage. Pathologically, the malignancy occurs in two forms, extranodal NK/T-cell lymphoma, nasal type; and aggressive NK-cell leukaemia. Lymphoma occur most commonly (80%) in the nose and upper aerodigestive tract, less commonly (20%) in non-nasal areas (skin, gastrointestinal tract, testis, salivary gland), and rarely as disseminated disease with a leukemic phase...
April 14, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/28409070/a-rare-case-of-a-benign-primary-pleomorphic-adenoma-of-the-lung
#7
Venkatkiran Kanchustambham, Swetha Saladi, Setu Patolia, Sara Mahmoud Assaf, David Stoeckel
Salivary gland tumors (SGT) constitute a small proportion of primary respiratory system neoplasms. Benign SGT comprises pleomorphic adenoma and is exceedingly rare in the lungs. We hereby present a rare case of a benign primary pleomorphic adenoma of the lung. The histological pattern of the tumor was indistinguishable from the head and neck SGT counterparts and showed biphasic morphology. Malignant features were not observed and a metastatic SGT was ruled out. Although little is known about the clinical progression of these rare tumors, surgical resection and interval surveillance remains the treatment of choice...
March 2, 2017: Curēus
https://www.readbyqxmd.com/read/28408701/low-grade-mucoepidermoid-tumor-of-parotid-gland-presenting-as-focal-asymmetry-in-the-follow-up-radioiodine-scan-in-a-patient-of-differentiated-papillary-carcinoma-of-thyroid
#8
Chinna Naik, Sandip Basu
Low grade mucoepidermoid tumor of the right parotid gland presenting as focal uptake in the follow-up whole body iodine scan in a patient of differentiated papillary carcinoma of thyroid 1 year after successful ablation is presented in this report. Following surgical excision, the histopathology was proven. The illustrated case represents false positive focal accumulation of (131)I in low grade mucoepidermoid carcinoma of the salivary gland that arose early in the follow-up course in differentiated thyroid carcinoma post-radioiodine (RAI)...
April 13, 2017: Journal of Nuclear Medicine Technology
https://www.readbyqxmd.com/read/28408529/targeted-alpha-therapy-of-mcrpc-with-225-actinium-psma-617-dosimetry-estimate-and-empirical-dose-finding
#9
Clemens Kratochwil, Frank Bruchertseifer, Hendrik Rathke, Marcus Bronzel, Christos Apostolidis, Wilko Weichert, Uwe Haberkorn, Frederick Lars Giesel, Alfred Morgenstern
To develop a treatment protocol for (225)Ac-PSMA-617 alpha-radiation therapy in advanced stage, metastatic castration-resistant prostate cancer patients with PSMA-positive tumor phenotype. Methods: A dosimetry estimate was calculated based on time-activity-curves derived from serially performed (177)Lu-PSMA-617 scans extrapolated to the physical half-life of (225)Ac, assuming instant decay of instable daughter nuclides. Salvage therapies empirically conducted with 50kBq/kg (n = 4), 100kBq/kg (n = 4), 150kBq/kg (n = 2), 200kBq/kg (n = 4) (225)Ac-PSMA-617 were evaluated retrospectively regarding toxicity and treatment response...
April 13, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28401485/silymarin-and-its-active-component-silibinin-act-as-novel-therapeutic-alternatives-for-salivary-gland-cancer-by-targeting-the-erk1-2-bim-signaling-cascade
#10
Eun-Sun Choi, Sejun Oh, Boonsil Jang, Hyun-Ju Yu, Ji-Ae Shin, Nam-Pyo Cho, In-Hyoung Yang, Dong-Hoon Won, Hye-Jeong Kwon, Seong Doo Hong, Sung-Dae Cho
PURPOSE: Approximately 20% of all salivary gland cancer patients who are treated with current treatment modalities will ultimately develop metastases. Its most common form, mucoepidermoid carcinoma (MEC) is a highly aggressive tumor with an overall 5-year survival rate of ~30%. Until now, several chemotherapeutic drugs have been tested for the treatment of salivary gland tumors, but the results have been disappointing and the drugs often cause unwanted side effects. Therefore, several recent studies have focused on the potential of alternative and/or complementary therapeutic options, including the use of silymarin...
April 11, 2017: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/28397573/tumor-differentiation-as-a-prognostic-factor-for-major-salivary-gland-malignancies
#11
Hani M Rayess, Aaron Dezube, Ibrahim Bawab, S Naweed Raza, George H Yoo, Ho-Sheng Lin, John R Jacobs
Objective The effect of tumor differentiation on prognosis of major salivary gland malignancies is controversial. The aim of this study was to determine the effect of tumor differentiation on prognosis by stage in patients with major salivary gland malignancies and to analyze which patient factors are associated with tumor differentiation. Study Design and Setting Cross-sectional analysis of Surveillance, Epidemiology, and End Results (SEER) database. Subjects and Methods In total, 9810 patients who had a major salivary gland malignancy from 2004 to 2012 were identified using the SEER database...
April 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28394767/concurrent-chemoradiotherapy-in-the-adjuvant-treatment-of-high-risk-primary-salivary-gland-malignancies
#12
Brian J Gebhardt, James P Ohr, Robert L Ferris, Umamaheswar Duvvuri, Seungwon Kim, Jonas T Johnson, Dwight E Heron, David A Clump
OBJECTIVES: Adjuvant radiation therapy (RT) is indicated for patients with salivary gland malignancies with risk factors for recurrence following resection. We analyzed patients treated with adjuvant RT with or without concurrent chemotherapy to determine the impact of prognostic and treatment factors. MATERIALS AND METHODS: Retrospective analysis was performed of 128 patients treated with surgical resection followed by intensity-modulated radiotherapy. In total, 31 (24...
April 7, 2017: American Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28392497/jugular-foramen-collision-tumor-schwannoma-and-plasma-cell-pseudotumor-a-probable-igg4-related-disease-a-case-report
#13
Mudathir S Bakhit, Masazumi Fujii, Shinya Jinguji, Taku Sato, Jun Sakuma, Kiyoshi Saito
Lower cranial nerve sheath tumors are relatively rare, and cases of schwannoma collision tumors have rarely been reported, with most of the reported cases describing schwannoma and meningioma collision tumors. We report a very rare case of a cerebellopontine angle collision tumor of the 9(th) cranial nerve schwannoma with an IgG4 plasma cell pseudotumor. IgG4 plasma cell pseudotumors comprise a group of diseases called IgG4-related diseases (IgG4-RDs). These diseases usually affect organs such as the pancreas and salivary gland...
April 6, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28390805/from-transmandibular-to-transoral-robotic-approach-for-parapharyngeal-space-tumors
#14
Francesco Chu, Marta Tagliabue, Gioacchino Giugliano, Luca Calabrese, Lorenzo Preda, Mohssen Ansarin
PURPOSE: Parapharyngeal space (PPS) tumors are rare, accounting for 0.5% of all head-and-neck masses. Surgery remains the standard treatment for most cases, including different approaches (cervical approach, parotidectomy, mandibulotomy, transoral/robotic). We report our experience in the management of PPS tumors, aiming to create a surgical algorithm on the base of tumor's radiological and clinical characteristics. MATERIALS AND METHODS: Critical retrospective analysis of patients with PPS neoplasms who underwent surgery at our Institute...
March 31, 2017: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/28390395/myoepithelial-carcinoma-with-rb1-mutation-remarkable-chemosensitivity-to-carcinoma-of-unknown-origin-therapy
#15
Timothy M Hoggard, Evita Henderson-Jackson, Marilyn M Bui, Jamie Caracciolo, Jamie K Teer, Sean Yoder, Odion Binitie, Ricardo J Gonzalez, Andrew S Brohl, Damon R Reed
BACKGROUND: Myoepithelial carcinoma of soft tissue is a rare, malignant neoplasm that is morphologically and immunophenotypically similar to its counterpart in salivary gland. It demonstrates myoepithelial differentiation, possessing both epithelial and myogenic characteristics. Thought to be chemotherapy insensitive, the optimal treatment regimen of this tumor has yet to be established and only a select few cases in the literature discuss treatment efficacy in detail. CASE PRESENTATION: Here we present a case of a young adult with metastatic myoepithelial carcinoma with an initial excellent response to systemic therapy utilizing carboplatin and paclitaxel with continued complete response after 3 years...
April 8, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28390124/clear-cell-changes-in-salivary-gland-neoplasms-a-20-year-retrospective-study
#16
T Woods, S Fitzpatrick, D Cohen, M Islam, I Bhattacharyya
BACKGROUND: Clear cells are observed histopathologically in both benign and malignant neoplasms but their presence in salivary gland tumors has not been extensively documented. MATERIAL AND METHODS: With IRB approval, the archive of the University of Florida College of Dentistry oral pathology biopsy service was retrospectively searched from 1994-2014 for all benign and malignant salivary tumors. Epidemiological data, tumor location and duration, and type of tumor were recorded...
April 8, 2017: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/28386459/pathogenesis-of-warthin-s-tumors
#17
REVIEW
Yevhen V Kuzenko, Anatoly M Romanuk, Olena Olegivna Dyachenko, Olena Hudymenko
INTRODUCTION: Warthin's tumor, also known as papillary cystadenoma lymphomatosum, monomorphic adenoma, or adenolymphoma, is a benign cystic tumor of the salivary glands containing abundant lymphocytes and lymph node-like stroma. It is named after the pathologist Aldred Scott Warthin, who described two cases in 1929. OBJECTIVE: The aim of this study is to analyze the pathogenesis of Warthin's tumor. METHODS: A total of 15 patients with Warthin's tumor were studied...
June 1, 2016: Interventional Medicine & Applied Science
https://www.readbyqxmd.com/read/28386362/b7-h3-regulates-migration-and-invasion-in-salivary-gland-adenoid-cystic-carcinoma-via-the-jak2-stat3-signaling-pathway
#18
Teng-Fei Fan, Wei-Wei Deng, Lin-Lin Bu, Tian-Fu Wu, Wen-Feng Zhang, Zhi-Jun Sun
B7 Homolog 3 (B7-H3), a newly identified member of the B7 family, is over-expressed in various human cancers and plays a vital role in tumor progression. To identify the expression pattern of B7-H3 in human salivary adenoid cystic carcinoma (AdCC) and its underlying mechanisms, we characterized B7-H3 expression in AdCC tissue microarrays using immunohistochemical staining, and analyzed potentially associated molecules. The results showed that B7-H3 was highly expressed in salivary AdCC, compared with normal salivary glands...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28386337/down-regulation-of-mir-125a-5p-is-associated-with-salivary-adenoid-cystic-carcinoma-progression-via-targeting-p38-jnk-erk-signal-pathway
#19
Yancan Liang, Jiantao Ye, Jiuyang Jiao, Jin Zhang, Yingjuan Lu, Li Zhang, Di Wan, Liming Duan, You Wu, Bin Zhang
Salivary adenoid cystic carcinoma (SACC) is a relatively uncommon epithelial-like malignancy that can occur in the head and neck region. Despite its slow growth, this aggressive salivary gland tumor frequently recurs and metastasizes to distant organs since lacking effective chemotherapy treatment. MicroRNAs are key regulators in tumor metastasis and progression, but their roles during SACC progression have not been illustrated. In current study, we demonstrate that miR-125a-5p is down-regulated in SACC and closely related to the metastasis and progression in human SACC specimens...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28370824/systematic-review-of-mammary-analog-secretory-carcinoma-of-salivary-glands-at-7-years-after-description
#20
REVIEW
Bacem A Khalele
BACKGROUND: Mammary analog secretory carcinoma of the salivary glands (MASCSG ) is a newly introduced malignant tumor of the salivary glands. For decades, it has been confused with acinic cell carcinoma (ACC) of the salivary glands. METHODS: All reported cases of MASCSG were surveyed from 2010 until January 2017. The collected data was compiled and computationally processed to describe the clinical parameters of MASCSG . Its epidemiology was also mapped. Moreover, inaccurate data was highlighted...
April 3, 2017: Head & Neck
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