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Acinic cell carcinoma

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https://www.readbyqxmd.com/read/28214199/primary-acinic-cell-carcinoma-of-the-lung-with-psammoma-bodies-a-case-report-and-review-of-literature
#1
Xiu-Peng Zhang, Gui-Yang Jiang, Qing-Fu Zhang, Hong-Tao Xu, Qing-Chang Li, En-Hua Wang
Salivary gland-type tumors are rare in the lung. Primary acinic cell carcinoma of the lung is extremely rare. Here, we report a case of primary acinic cell carcinoma of the lung with prominent psammoma bodies. A 31-year-old man came to our hospital with a tumor in the basal segment of the lower lobe of the right lung. The tumor tissue displayed solid, acinar, or microcystic structures at different regions. A large amount of psammoma bodies were scattered in more than half of the tumor. The majority of the tumor cells were round or polygonal in shape, with abundant acidophilic granular or vacuolated cytoplasm...
January 19, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28212443/recurrent-rearrangements-of-the-myb-sant-like-dna-binding-domain-containing-3-gene-msantd3-in-salivary-gland-acinic-cell-carcinoma
#2
Nicholas Barasch, Xue Gong, Kevin A Kwei, Sushama Varma, Jewison Biscocho, Kunbin Qu, Nan Xiao, Joseph S Lipsick, Robert J Pelham, Robert B West, Jonathan R Pollack
Pathogenic gene fusions have been identified in several histologic types of salivary gland neoplasia, but not previously in acinic cell carcinoma (AcCC). To discover novel gene fusions, we performed whole-transcriptome sequencing surveys of three AcCC archival cases. In one specimen we identified a novel HTN3-MSANTD3 gene fusion, and in another a novel PRB3-ZNF217 gene fusion. The structure of both fusions was consistent with the promoter of the 5' partner (HTN3 or PRB3), both highly expressed salivary gland genes, driving overexpression of full-length MSANTD3 or ZNF217...
2017: PloS One
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/28160579/retrospective-study-of-149-cases-of-salivary-gland-carcinoma-in-a-spanish-hospital-population
#4
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/28139061/immunohistochemical-and-molecular-profile-of-salivary-gland-cancer-in-children
#5
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/28133208/-a-case-of-primary-acinic-cell-carcinoma-acc-of-the-breast
#6
Hiroshi Kawai, Ryoma Sugimoto, Norichika Iga, Hirokuni Ikeda, Ryosuke Yoshida, Naohisa Waki, Masahiro Ishizaki, Hideyuki Nishi, Kazuki Yamashita
A49 -year-old woman presented with a 3.5 cm mass in her right breast. Mammography revealed a lobular mass with poorly defined margins and no microcalcification. Ultrasonography showed a hypoechoic mass with an irregular margin. The tumor was diagnosed as breast carcinoma using a core needle biopsy. The patient underwent a modified radical mastectomy with sentinel lymph node biopsy, and received adjuvant chemotherapy. The tumor consisted of 2 types of carcinoma. The center of the tumor was solid-tubular carcinoma, and the periphery was acinic cell carcinoma(ACC)...
November 2016: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/28076460/the-accuracy-of-fine-needle-aspiration-cytology-for-diagnosis-of-parotid-gland-masses-a-clinicopathological-study-of-114-patients
#7
Jens Kristjan Gudmundsson, Aida Ajan, Jahan Abtahi
Objective: Fine-needle aspiration cytology is a valuable method for preoperative assessment of head and neck tumors. However, its accuracy in detection of salivary gland masses is controversial compared with other methods. The aim of this work was to evaluate the effectiveness and accuracy of fine-needle aspiration cytology (FNAC) in the diagnosis of parotid gland masses. Material and Methods: Over a 10-year period, 126 parotid gland masses were resected. Retrospective chart reviews of 114 patients were performed...
November 2016: Journal of Applied Oral Science: Revista FOB
https://www.readbyqxmd.com/read/28043647/the-morphological-spectrum-of-salivary-gland-type-tumours-of-the-breast
#8
REVIEW
Maria P Foschini, Luca Morandi, Sofia Asioli, Gianluca Giove, Angelo G Corradini, Vincenzo Eusebi
Salivary gland like tumours of the breast constitute a wide spectrum of entities each one showing peculiar features and clinical behaviour. They can be subdivided as follows: (1) tumours showing pure myoepithelial cell differentiation, such as pure benign and malignant myoepitheliomas; (2) tumours with mixed epithelial and myoepithelial cell differentiation, such as pleomorphic adenoma, adenomyoepithelioma and adenoid cystic carcinoma; and (3) tumours with pure epithelial cell differentiation, such as acinic cell carcinoma, oncocytic carcinoma, mucoepidermoid carcinoma and polymorphous adenocarcinoma...
February 2017: Pathology
https://www.readbyqxmd.com/read/27957284/report-of-a-case-of-acinic-cell-carcinoma-of-the-upper-lip-and-review-of-japanese-cases-of-acinic-cell-carcinoma-of-the-minor-salivary-glands
#9
Shigeo Ishikawa, Hitoshi Ishikawa, Shigemi Fuyama, Takehito Kobayashi, Takayoshi Waki, Yukio Taira, Mitsuyoshi Iino
Acinic cell carcinoma (ACC) is a malignant tumor of the salivary glands. The majority of ACCs occur in the parotid gland, and ACCs of the minor salivary glands (MSGs) are relatively infrequent. We describe here a patient with ACC of the upper lip. The patient was a 31-year-old male who presented with a nodular mass on the left upper lip. The preoperative diagnosis was benign tumor or cyst, and the lesion was surgically excised. The histological diagnosis was ACC. The postoperative course was uneventful. No recurrence or metastasis was detected at 13 months postoperatively...
December 2016: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/27847831/relapsed-acinic-cell-carcinoma-of-the-parotid-gland-with-diffuse-distant-metastasis-case-report-with-literature-review
#10
Yousef Khelfa, Munthir Mansour, Yousef Abdel-Aziz, Ali Raufi, Krista Denning, Yehuda Lebowicz
Acinic cell carcinoma (ACC) is an uncommon salivary gland neoplasm that generally displays an indolent growth pattern. Most cases arise in the major glands, particularly the parotid. However, it can arise from minor salivary glands in the oral cavity and aero-digestive tract. Although ACC is generally a low-grade malignant tumor, poorly differentiated and high-grade transformed variants exhibit a propensity for late recurrence and metastasis. There are no adequate clinical trials that define the optimal approach to patients with metastatic salivary gland tumors due to its rarity...
October 2016: Journal of Investigative Medicine High Impact Case Reports
https://www.readbyqxmd.com/read/27720350/cytogenetic-and-immunohistochemical-characterization-of-mammary-analogue-secretory-carcinoma-of-salivary-glands
#11
Syed A Khurram, Jemel Sultan-Khan, Neil Atkey, Paul M Speight
OBJECTIVES: Mammary analogue secretory carcinoma (MASC), initially considered a subset of acinic cell carcinoma (ACC), harbors an ETV6 translocation [t(12:15)(p13:25 q)] and is now regarded as a distinct entity. Several putative markers to differentiate MASC from ACC have been reported; however, the immunohistochemical profile is still being explored and updated. The purpose of this study was to further explore the cytogenetic and immunohistochemical profile of MASC. STUDY DESIGN: Cases were analyzed for ETV6 translocation using fluorescent in situ hybridization and stained for CK8, amylase, mammaglobin, GCDFP-15, MUC1, MUC4, STAT5a, Ki-67 (n = 37), CK7, Cam5...
December 2016: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/27713419/genetic-analysis-of-microglandular-adenosis-and-acinic-cell-carcinomas-of-the-breast-provides-evidence-for-the-existence-of-a-low-grade-triple-negative-breast-neoplasia-family
#12
Felipe C Geyer, Samuel H Berman, Caterina Marchiò, Kathleen A Burke, Elena Guerini-Rocco, Salvatore Piscuoglio, Charlotte Ky Ng, Fresia Pareja, Hannah Y Wen, Zoltan Hodi, Stuart J Schnitt, Emad A Rakha, Ian O Ellis, Larry Norton, Britta Weigelt, Jorge S Reis-Filho
Acinic cell carcinoma is an indolent form of invasive breast cancer, whereas microglandular adenosis has been shown to be a neoplastic proliferation. Both entities display a triple-negative phenotype, and may give rise to and display somatic genomic alterations typical of high-grade triple-negative breast cancers. Here we report on a comparison of previously published data on eight carcinoma-associated microglandular adenosis and eight acinic cell carcinomas subjected to targeted massively parallel sequencing targeting all exons of 236 genes recurrently mutated in breast cancer and/or DNA repair-related...
January 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/27670353/combined-dog1-and-mammaglobin-immunohistochemistry-is-comparable-to-etv6-breakapart-analysis-for-differentiating-between-papillary-cystic-variants-of-acinic-cell-carcinoma-and-mammary-analogue-secretory-carcinoma
#13
Nasser Said-Al-Naief, Roman Carlos, Gail H Vance, Caroline Miller, Paul C Edwards
Background We investigated the reliability of combined DOG1 and mammaglobin immunohistochemistry compared with ETV6 fluorescence in situ hybridization (FISH) in the assessment of salivary tumors previously diagnosed as acinic cell carcinoma (ACC). Ultrastructural features of cases reclassified as mammary analogue secretory carcinoma (MASC) were assessed by transmission electron microscopy (TEM). Methods Immunohistochemical (IHC) reactivity to DOG1 and mammaglobin was validated against FISH targeting the ETV6 gene in all 14 cases...
September 26, 2016: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/27667558/salivary-gland-like-breast-carcinomas-an-infrequent-disease
#14
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/27658560/extended-immunologic-and-genetic-lineage-of-mammary-analogue-secretory-carcinoma-of-salivary-glands
#15
Hao Ni, Xue-Ping Zhang, Xiao-Tong Wang, Qiu-Yuan Xia, Jing-Huan Lv, Xuan Wang, Shan-Shan Shi, Rui Li, Xiao-Jun Zhou, Qiu Rao
Mammary analogue secretory carcinoma (MASC) of salivary glands is a newly recognized tumor entity. To explore a more practical and convenient immunohistochemical approach to distinguish MASC from other tumors arising from salivary glands as well as to expand the immunologic and genetic lineage of MASC, we examined 17 MASC using clinicopathologic, immunohistochemical and molecular analysis. 18 cases of acinic cell carcinoma (AciCC), 18 cases of adenoid cystic carcinoma (ACC), 22 cases of mucoepidermoid carcinoma (MEC), and 14 cases of basal cell adenocarcinoma (BCA) were brought in for comparison...
September 19, 2016: Human Pathology
https://www.readbyqxmd.com/read/27623207/high-grade-transformation-of-salivary-gland-acinic-cell-carcinoma-with-emphasis-on-histological-diagnosis-and-clinical-implications
#16
Danielle Bury, Mugtaba Dafalla, Shabada Ahmed, Henrik Hellquist
Acinic cell carcinoma (ACC) is commonly thought of as a low grade malignant salivary neoplasm, and possibly has the best prognosis of all salivary malignancies with a 10-year survival of almost 90%. High grade transformation (HGT) in these tumours is a relatively rare event but is increasingly being reported. HGT (formerly referred to as dedifferentiation) in acinic cell carcinoma has shown to drastically reduce the survival rates and its recognition is imperative as more aggressive clinical management is needed...
November 2016: Pathology, Research and Practice
https://www.readbyqxmd.com/read/27575269/mammary-analogue-secretory-carcinoma
#17
Todd M Stevens, Vishwas Parekh
Mammary analogue secretory carcinoma (MASC) is a recently described salivary gland tumor that shares the same histologic appearance and ETV6 gene (12p13) rearrangement as secretory carcinoma of the breast. Prior to its recognition, MASC cases were commonly labeled acinic cell carcinoma and adenocarcinoma, not otherwise specified. Despite distinctive histologic features, MASC may be difficult to distinguish from other salivary gland tumors, in particular zymogen-poor acinic cell carcinoma and low-grade salivary duct carcinoma...
September 2016: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/27527989/mammary-analogue-secretory-carcinoma-of-the-salivary-glands-a-diagnostic-dilemma
#18
N Hindocha, M H Wilson, M Pring, C W Hughes, S J Thomas
Mammary analogue secretory carcinoma (MASC) is a recently identified salivary gland neoplasm that can mimic other salivary gland tumours such as acinic cell carcinoma and cystadenocarcinoma. It is distinguished from these by differences in immunohistochemical profile and the identification of an ETV6-NTRK3 translocation (12;15)(p13;q25), which is also found in secretory carcinomas of the breast. Previous publications have suggested that MASC tumours have similar biological behaviour to acinic cell carcinoma...
August 12, 2016: British Journal of Oral & Maxillofacial Surgery
https://www.readbyqxmd.com/read/27510680/cytomorphological-findings-and-histological-correlation-of-papillary-cystadenocarcinoma-of-the-parotid-not-always-a-low-grade-tumor
#19
Yasmeen Khatib, Madhura Dande, Richa D Patel, Shubhada V Kane
Papillary cystadenocarcinoma (PCAC) is a rare salivary gland tumor characterized by a predominantly cystic growth that often exhibits intraluminal papillary growth without specific histologic features of other cystic salivary gland tumors. The preoperative cytological diagnosis can pose a diagnostic challenge as it has to be differentiated from other cystic papillary tumors such as mucoepidermoid carcinoma, papillary cystic variant of acinic cell carcinoma, and low-grade cribriform CAC. It is considered to be a low-grade malignant salivary gland tumor with an indolent biological behavior...
July 2016: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/27499783/acinic-cell-carcinoma-of-the-parotid-gland-with-four-morphological-features
#20
David S Rosero, Ramiro Alvarez, Paula Gambó, María Alastuey, Alberto Valero, Nerea Torrecilla, A Belén Roche, Sara Simón
Acinic cell carcinoma arising in salivary glands is a rare tumor, accounting for 2% to 5% of the primary neoplasms of the parotid gland. When these tumors are well-differentiated, the neoplasia has innocuous aspect, due to the similarity to normal parotid tissue. This makes the diagnosis difficult. Initially the malignancy of this tumor was uncertain; however, recent studies have declared it as malignant. The female / male ratio is 3:2. The nodule usually presents as solitary and well defined shape. Several authors have used different terms to describe histomorphological patterns of these tumors...
2016: Iranian Journal of Pathology
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