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Adenosquamous carcinoma

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https://www.readbyqxmd.com/read/28819369/in-vitro-cytotoxic-activities-of-the-oral-platinum-iv-prodrug-oxoplatin-and-hsp90-inhibitor-ganetespib-against-a-panel-of-gastric-cancer-cell-lines
#1
Lukas Klameth, Barbara Rath, Gerhard Hamilton
Gastric cancer exhibits a poor prognosis and is the third most common cause of cancer death worldwide. Chemotherapy of metastatic gastric cancer is based on combinations of platinum drugs and fluoropyrimidines, with added agents. Oxoplatin is a stable oral platinum(IV) prodrug which is converted to a highly active tetrachlorido(IV) complex under acidic conditions. In the present work, we studied the cytotoxic effects of oxoplatin against a panel of four gastric cancer cell lines in vitro. Furthermore, the role of HSP90 in chemoresistance of these lines was investigated using the specific inhibitor ganetespib...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28816351/recent-advances-in-genomic-profiling-of-adenosquamous-carcinoma-of-the-pancreas
#2
Rebecca Marcus, Anirban Maitra, Jason Roszik
Adenosquamous carcinoma of the pancreas (ASCP) is a mixed tumor type which contains squamous cell carcinoma and also ductal adenocarcinoma components. Due to the rarity of this malignancy, only very limited genomic profiling has been performed. A recent paper by Fang et al. published in The Journal of Pathology contributed to our knowledge of genomic alterations by performing whole genome and exome sequencing of 17 ASCP tumors. They found major genomic similarities to pancreatic ductal adenocarcinoma; however, the p53 pathway was altered in a greater proportion of cases, while a high frequency of 3p loss was a distinct copy number alteration pattern observed in ASCP...
August 17, 2017: Journal of Pathology
https://www.readbyqxmd.com/read/28805598/screening-frequency-and-histologic-type-influence-the-efficacy-of-cervical-cancer-screening-a-nationwide-cohort-study
#3
Ying-Cheng Chiang, Yun-Yuan Chen, Shu-Feng Hsieh, Chun-Ju Chiang, San-Lin You, Wen-Fang Cheng, Mei-Shu Lai, Chi-An Chen
OBJECTIVE: To evaluate the influence of age, screening interval, and histologic type on the effect of Pap smears in cervical cancer screening. MATERIALS AND METHODS: Data were retrieved from the Taiwan National Cancer Registry and Cervical Cancer Screening Registration System for the period from 2002 to 2010. Age, Pap smear interval, FIGO stage, and histology were further analyzed. RESULTS: A total of 12,294 women with cervical cancer were enrolled, including 10,040 with squamous cell carcinoma (SCC), 1720 with adenocarcinoma (ADC), 401 with adenosquamous carcinoma (ASC), and 133 with small cell neuroendocrine carcinoma (SMC)...
August 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28790845/clinical-efficacy-evaluation-of-tyrosine-kinase-inhibitors-for-non-adenocarcinoma-lung-cancer-patients-harboring-egfr-sensitizing-mutations
#4
REVIEW
Xinyu Song, Zhehai Wang
Epidermal growth factor receptor (EGFR) tyrosine kinase inhibitors (TKIs) as a standard therapy have been used in EGFR-mutated adenocarcinoma of non-small-cell lung cancer (NSCLC) patients in recent years. But in current randomized prospective clinical trials, due to few cases of non-adenocarcinoma patients having been found, the efficacy of TKIs for EGFR-mutated non-adenocarcinoma and the relationship with clinicopathological characteristics remained debatable. The results of retrospective studies showed that the frequency of EGFR mutation was significantly associated with nationality, gender, smoking history, and histology type...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28766737/cd117-expression-in-adenosquamous-carcinoma
#5
Gauri Panse, Jennifer M McNiff, Christine J Ko
No abstract text is available yet for this article.
August 2, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28722109/genomic-signatures-of-adenosquamous-carcinoma-of-the-pancreas-pasc
#6
Yuan Fang, Zhe Su, Jing Xie, Ruidong Xue, Qi Ma, Yanmeng Li, Yifan Zhao, Zeshi Song, Xiongxiong Lu, Hongwei Li, Chenghong Peng, Bai Fan, Baiyong Shen
In pancreatic cancer (PC), adenosquamous carcinoma of the pancreas (PASC) containing both ductal adenocarcinoma and squamous carcinoma in the same tumor represents ~ 4% of the total incidence. To date, the genomic features of this mixed tumor are still unknown. We analyzed genomes of 17 PASCs and 34 ductal adenocarcinomas (PDACs), showing that PASC carried highly enriched TP53 mutations and 3p loss compared to PDAC. Furthermore, we uncovered that adenomatous and squamous components of PASC harbored comparable genomic alterations, suggesting that two cellular components are developed from the same progenitor cancer cells...
July 19, 2017: Journal of Pathology
https://www.readbyqxmd.com/read/28698100/adenosquamous-gallbladder-carcinoma-multigene-hotspot-mutational-profiling-reveals-a-monoclonal-origin-of-the-two-components
#7
Francesca Galuppini, Roberta Salmaso, Elisa Valentini, Cristiano Lanza, Isacco Maretto, Donato Nitti, Massimo Rugge, Matteo Fassan
Adenosquamous carcinoma (ASC) of the gallbladder is a rare malignant tumor that is characterized by a coexisting of glandular and squamous components. In a case of ASC, we performed hotspot multigene mutational profiling of 164 hotspot regions of eleven cancer-associated genes (AKT1, APC, BRAF, CTNNB1, KIT, KRAS, NRAS, PDGFRA, PIK3CA, PTEN and TP53) in the two microdissected components. Both tumor phenotypes resulted characterized by a p.E542K point mutation in the PIK3CA gene, whereas adenocarcinoma component revealed also a TP53 Q331* homozygous stop mutation...
August 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28676632/clinicopathological-features-and-prognosis-of-gastric-adenosquamous-carcinoma
#8
Fan Feng, Gaozan Zheng, Jingpeng Qi, Guanghui Xu, Fei Wang, Qiao Wang, Man Guo, Xiao Lian, Hongwei Zhang
Data about primary gastric adenosquamous carcinoma (ASC) was limited due to rare incidence. Thus, the present study aims to investigate clinicopathological features and prognosis of gastric ASC. Cases of gastric ASC were obtained from our center and from case reports and series extracted from Medline. Clinicopathological features and prognosis of gastric ASC were analyzed and compared with gastric adenocarcinoma (AC) in our center. The commonest location was lower third (45.0%), followed by upper (26.2%) and middle third (24...
July 4, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28658766/clinicopathological-study-of-carcinoma-of-the-ampulla-of-vater-with-special-reference-to-muc1-muc2-and-muc5ac-expression
#9
Maithili Mandar Kulkarni, Siddhi Gaurish Sinai Khandeparkar, Avinash R Joshi, Aniket Kakade, Lokesh Fegade, Ketan Narkhede
INTRODUCTION: The ampulla of Vater consists of papilla, common channel, distal common bile duct and the distal main pancreatic duct. Ampullary carcinomas arise from two different types of mucosa, reflecting their broad histomorphological spectrum. Adenocarcinomas originating in the ampulla of Vater are classified as having either 'Intestinal' or 'Pancreatobiliary' type of differentiation. Pancreatobiliary type has consistently shown a worse prognosis. Various types of mucins are distributed in normal tissues and gastrointestinal tumours...
May 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28658136/penile-metastases-from-primary-lung-cancer-case-report-and-literature-review
#10
REVIEW
Ling-Chuan Guo, Gang Li, Xi-Ming Wang, Mi Zhang, Jian-An Huang, Yan-Bin Chen
BACKGROUND: Metastasis to the penis from primary lung cancer is quite rare. To improve the understanding, we present a case diagnosed as penile metastasis from primary lung cancer and review the literature. METHODS: One case report and retrospectively analysis penile cancer patient secondary from primary lung cancer. RESULTS: The patient complained of perineal pain and burning on urination for about 2 months. On physical examination, painful nodular masses at the base of left side of the corpora cavernosa were found...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28623908/programmed-death-ligand-1-pd-l1-is-expressed-in-a-significant-number-of-the-uterine-cervical-carcinomas
#11
Opal L Reddy, Peter I Shintaku, Neda A Moatamed
BACKGROUND: The programmed death-1/programmed death-ligand-1 (PD-1/PD-L1) immune regulatory axis has emerged as a promising new target for cancer therapeutics, with lasting responses seen in the treatment of metastatic renal and lung carcinomas, as well as melanomas. As tumor surface expression of PD-L1 has been found to correlate with objective responses to anti-PD-L1 immunotherapies, we investigated the expression of PD-L1 in human cervical tumors and provide an adopted scoring system for the systematic evaluation of PD-L1 staining...
June 17, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28588163/evaluation-of-pelvic-lymphadenectomy-during-radical-hysterectomy-for-cervical-cancer
#12
S Khatun, A Q Huda, S K Begum, J Ferdous
Cervical cancer is the most common cancer in women in developing countries comprising 20-30% of female cancer. More than 70% of cervical cancer patients of Bangladesh attend in hospital in inoperable stages (IIB, III & IV). Only 30% cases can be treated by primary surgery. This prospective cross-sectional study was conducted by Gynaecologic Oncology Division of the Department of Obstetrics & Gynaecology of Bangabandhu Sheikh Mujib Medical University (BSMMU), Bangladesh from November 2011 to May 2012. The objectives of this study were to evaluate the number of pelvic lymph nodes removed, to determine the rate of pelvic lymph node involvement & also to evaluate the relationship between parametrial invasion and pelvic lymph node metastasis...
April 2017: Mymensingh Medical Journal: MMJ
https://www.readbyqxmd.com/read/28582347/tissue-based-immunohistochemical-biomarker-expression-in-malignant-glandular-lesions-of-the-uterine-cervix-a-systematic-review
#13
Sandra Lee, Vikrant V Sahasrabuddhe, Diana Mendoza-Cervantes, Rachel Zhao, Máire A Duggan
Literature published between 1975 and 2015 was systematically reviewed to conduct a case-comparator study of tissue based, immunohistochemical biomarker expression among malignant glandular histotypes of the uterine cervix so as to identify differences that could have diagnostic utility. Of the 902 abstracts, 154 articles had a full review, and 52 were included. Biomarker positivity in cases of adenocarcinoma in situ (AIS) were compared with atypical lobular endocervical glandular hyperplasia and invasive histotypes grouped as mucinous, endometrioid, adenosquamous, serous clear cell, minimal deviation-gastric type, and mesonephric carcinomas (7 AIS case-comparators)...
June 2, 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/28550661/-progression-of-diagnosis-and-treatment-for-adenosquamous-lung-carcinoma
#14
W J Zhao, X Wang, K W Ma
Adenosquamous lung carcinoma (ASC) is an uncommon entity of the primary lung cancer, which is mixed by adenocarcinoma and squamous carcinoma cells. ASC not only possesses the malignant biological characteristics of adenocarcinoma and squamous cell carcinoma, but also exhibits special clinical features, such as the higher malignant degree and poorer prognosis. This paper is aimed to elaborate the research process of the pathological origin of ASC, the application of different diagnostic methods in ASC, various therapeutic strategies and its associated prognosis so as to help to develop the clinical strategies of ASC...
April 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28537083/an-unusual-variant-of-adenocarcinoma-of-the-left-colon-associated-with-microsatellite-instability-a-case-report
#15
Abrar A Attiya, Hatim Q Almaghraby, Mohamed B Satti
We report a case of colonic adenosquamous carcinoma with MSI-H (microsatellite instability-high) in a 43-year-old male who presented with bowel obstruction due to a circumferential mass involving the descending colon and splenic flexure. Microscopically, it showed poorly differentiated adenocarcinoma with squamous differentiation, tumor infiltrating lymphocytes >3/high-power field, and mild peritumoral lymphocytic response. Immunohistochemistry was equivocal for MLH-1, PMS-2, and MSH-2, with retention of MSH-6 expression...
April 1, 2017: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28493097/gastric-adenosquamous-carcinoma-producing-granulocyte-colony-stimulating-factor-a-case-of-a-rare-malignancy
#16
Kazuki Moro, Masayuki Nagahashi, Tetsuya Naito, Yu Nagai, Tomohiro Katada, Masahiro Minagawa, Jun Hasegawa, Tatsuo Tani, Naohiro Shimakage, Hiroyuki Usuda, Emmanuel Gabriel, Tsutomu Kawaguchi, Kazuaki Takabe, Toshifumi Wakai
BACKGROUND: A gastric adenosquamous carcinoma (ASC) that produces granulocyte-colony stimulating factor (G-CSF) is an uncommon malignancy with a poor prognosis. Due to the rarity of this lesion, a standard treatment for the disease has not been established. CASE PRESENTATION: We describe a case of a 66-year-old male with a G-CSF-producing gastric ASC who presented with severe anemia and leukocytosis. A radical resection was performed, followed by a course of adjuvant chemotherapy...
December 2017: Surgical Case Reports
https://www.readbyqxmd.com/read/28489796/leptomeningeal-metastasis-of-poorly-differentiated-uterine-cervical-adenosquamous-carcinoma-following-reirradiation-to-metastatic-vertebrae-a-case-report
#17
Yueh-Feng Lu, Vai Hong Fong, Wen-Yih Wu, Li-Ying Wang, Chen-Hsi Hsieh
RATIONALE: Leptomeningeal metastasis from cervical adenosquamous carcinoma is extremely rare especially after radiotherapy for vertebral metastasis. PATIENT CONCERNS: A 52-year-old woman with International Federation of Gynecology and Obstetrics (FIGO) stage IIB adenosquamous carcinoma of cervix presented with bilateral lower limbs weakening after 2 courses radiotherapy to thoracic vertebral metastases. DIAGNOSES: Initial spine magnetic resonance imaging (MRI) showed no obvious nerve compression, and radiation myelopathy was suspected by the clinician...
May 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28468035/-clinicopathologic-characteristics-of-epidermal-growth-factor-receptor-mutations-in-non-small-cell-lung-cancer-in-xinjiang-region
#18
Y Shi, Z Pan, W L Cui, Z P Ma, X L Pang, W Zhang, Y Q Ma
Objective: To investigate the point mutation of epidermal growth factor receptor (EGFR) gene and clinicopathologic characteristics in patients with non-small cell lung cancers(NSCLC)of Xinjiang region. Methods: Five-hundred and eighty-two cases of paraffin-embedded tissue in patients with NSCLC were collected between January 2013 and December 2015 in the First Affiliated Hospital of Xinjiang Medical University. The DNA was extracted from these tissues by Qiagen kit, to test thirty-two mutations in EGFR exons 18, 19, 20 and 21 using fluorescent quantitative qRT-PCR technology by TaqMan probe; the clinicopathologic features of patients were analyzed according to the mutation status of EGFR...
May 8, 2017: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/28468033/-clinicopathologic-features-and-genetic-profile-of-the-redefined-large-cell-lung-carcinoma
#19
L K Hou, L P Zhang, W Zhang, Y Huang, W Wu, Z W Dong, C Y Wu
Objective: To investigate the clinicopathologic features and genetic profile of large cell lung carcinoma (LCC) redefined by new classification. Methods: Basing on 2015 WHO classification criteria in redefining large cell lung carcinoma, the expression of specific markers (TTF1, Napsin A, p40, CK5/6, CK, vimentin and ZEB1) was detected by immunohistochemistry and D-PAS staining in 303 surgically-removed lung specimens previously diagnosed as large cell lung carcinoma. The clinicopathologic and genetic characteristics (including EGFR, KRAS, BRAF, ALK and ROS1 gene mutation) were analyzed...
May 8, 2017: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/28465645/comparative-study-of-ror2-and-wnt5a-expression-in-squamous-adenosquamous-carcinoma-and-adenocarcinoma-of-the-gallbladder
#20
Zheng-Chun Wu, Li Xiong, Ling-Xiang Wang, Xiong-Ying Miao, Zi-Ru Liu, Dai-Qiang Li, Qiong Zou, Kui-Jie Liu, Hua Zhao, Zhu-Lin Yang
AIM: To investigate the expression and clinical pathological significance of ROR2 and WNT5a in gallbladder squamous/adenosquamous carcinoma (SC/ASC) and adenocarcinoma (AC). METHODS: EnVision immunohistochemistry was used to stain for ROR2 and WNT5a in 46 SC/ASC patients and 80 AC patients. RESULTS: Poorly differentiated AC among AC patients aged > 45 years were significantly more frequent compared with SC/ASC patients, while tumors with a maximal diameter > 3 cm in the SC/ASC group were significantly more frequent compared with the AC group...
April 14, 2017: World Journal of Gastroenterology: WJG
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