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https://www.readbyqxmd.com/read/29783796/-standardization-for-diagnostic-tumor-pathology-ovarian-carcinoma-and-borderline-epithelial-neoplasm
#1
(no author information available yet)
No abstract text is available yet for this article.
May 8, 2018: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/29776637/an-update-regarding-the-molecular-genetics-of-melanocytic-neoplasms-and-the-current-applications-of-molecular-genetic-technologies-in-their-diagnosis-and-treatment
#2
REVIEW
Katrin Kiavash, Martin H Bluth, Andrew David Thompson
Molecular genetic technologies are used to aid in diagnosis and treatment of borderline melanocytic tumors as an adjuvant to the gold standard histopathologic evaluation. A specific set of fluorescence in situ hybridization probes is widely used to aid in diagnosing challenging melanocytic lesions. New melanoma probe cocktails have revealed increased sensitivity and specificity in ambiguous melanocytic cases. Array comparative genomic hybridization is a more complex technology used for the work-up of diagnostically problematic Spitzoid melanocytic proliferations...
June 2018: Clinics in Laboratory Medicine
https://www.readbyqxmd.com/read/29773761/surgical-treatment-of-pancreatic-cancer
#3
Wioletta Masiak-Segit, Karol Rawicz-Pruszyński, Magdalena Skórzewska, Wojciech P Polkowski
The only way to cure the patient with adenocarcinoma of the pancreas (RT) is surgical excision of the tumor. The standard surgical treatment of resectable pancreatic carcinoma is considered the classic pancreatoduodenectomy (PD) with the Kausch- Whipple procedure, or the pylorus-preserving PD with the Traverso-Longmire method. The most difficult technically and at the same time the most important PD stage from an oncological point of view is the separation of the head of the pancreas from the superior mesenteric artery...
April 30, 2018: Polski Przeglad Chirurgiczny
https://www.readbyqxmd.com/read/29771169/associations-between-skin-rash-treatment-outcome-and-single-nucleotide-polymorphisms-in-head-and-neck-cancer-patients-receiving-the-egfr-inhibitor-zalutumumab-results-from-the-dahanca-19-trial
#4
Line Brøndum, Jan Alsner, Brita Singers Sørensen, Christian Maare, Jørgen Johansen, Hanne Primdahl, Jan Folkvard Evensen, Claus Andrup Kristensen, Lisbeth Juhler Andersen, Jens Overgaard, Jesper Grau Eriksen
PURPOSE: To study the associations between development of moderate to severe skin rash, clinical outcome, and single nucleotide polymorphisms (SNPs) in candidate genes in head and neck cancer patients from the DAHANCA 19 trial receiving the EGFR-inhibitor zalutumumab concurrently with radiation treatment. MATERIAL AND METHODS: 310 patients were included from the zalutumumab-arm of the DAHANCA 19 study. Nine SNPs in the candidate genes EGFR, EGF, AREG, FCGR2A, FCGR3A, and CCND1 were successfully determined in 294 patients...
May 17, 2018: Acta Oncologica
https://www.readbyqxmd.com/read/29761331/folfirinox-versus-gemcitabine-nab-paclitaxel-for-neoadjuvant-treatment-of-resectable-and-borderline-resectable-pancreatic-head-adenocarcinoma
#5
Mashaal Dhir, Mazen S Zenati, Ahmad Hamad, Aatur D Singhi, Nathan Bahary, Melissa E Hogg, Herbert J Zeh, Amer H Zureikat
BACKGROUND: Both FOLFIRINOX and gemcitabine/nab-paclitaxel (G-nP) are used increasingly in the neoadjuvant treatment (NAT) of pancreatic ductal adenocarcinoma (PDA). This study aimed to compare neoadjuvant FOLFIRINOX and G-nP in the treatment of resectable (R) and borderline resectable (BR) head PDA. METHODS: A single-institution retrospective review of R and BR patients undergoing pancreaticoduodenectomy after NAT with FOLFIRINOX or G-nP was performed. Comparative analysis was performed using inverse-probability-weighted (IPW) estimators...
May 14, 2018: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/29744727/immunohistochemical-biomarkers-in-thyroid-pathology
#6
REVIEW
Zubair Baloch, Ozgur Mete, Sylvia L Asa
The application of immunohistochemistry to the diagnosis of thyroid lesions has increased as new biomarkers have emerged. In this review, we discuss the biomarkers that are critical for accurate diagnosis, prognosis, and management. Immunohistochemical markers are used to confirm that an unusual tumor in the thyroid is indeed of thyroid origin, either of follicular epithelial or C-cell differentiation; the various mimics include nonthyroidal lesions such as parathyroid tumors, paragangliomas, thymic neoplasms, and metastatic malignancies...
May 9, 2018: Endocrine Pathology
https://www.readbyqxmd.com/read/29739049/expression-patterns-of-cxcl12-and-its-receptor-in-colorectal-carcinoma
#7
Ashraf Mousavi, Shahryar Hashemzadeh, Tayyeb Bahrami, Mehrdad Asghari Estiar, Mohammad A H Feizi, Nasser Pouladi, Leila Rostamizadeh, Ebrahim Sakhinia
BACKGROUND: Stromal cell-derived factor-1 (also called CXCL12) and its receptor, CXCR4, have a key role in the pathogenesis and tumorigenesis of various cancers. The aims of the current study were to quantitatively examine the expression of CXCR4 and CXCL12 genes in colorectal cancer and to correlate their expression degree with clinicopathological features. METHODS: Tumor tissue samples were collected from 47 patients with CRC. Total RNA was isolated from resection tissues and real-time PCR analysis was performed to examine mRNA levels of CXCL12 and CXCR4 genes...
May 1, 2018: Clinical Laboratory
https://www.readbyqxmd.com/read/29724124/how-do-biological-characteristics-of-primary-intracranial-tumors-affect-their-clinical-presentation-in-children-and-young-adults
#8
Thomas P C Chu, Anjali Shah, David Walker, Michel P Coleman
We demonstrated the pattern in presentation of primary intracranial tumors in a population-based cohort of patients aged 0-24 years identified from the National Cancer Registry for England, using linked medical records from primary care and hospitals. We used generalized additive models to estimate temporal changes in presentation rates. Borderline and malignant tumors presented at a similar rate in primary care (6.4 and 6.6 consultations per 100 patients each month) and in hospital (3.4 and 3.6). Benign tumors presented earlier but less frequently (rate = 4...
January 1, 2018: Journal of Child Neurology
https://www.readbyqxmd.com/read/29723601/clinical-utility-of-ezh1-mutations-in-the-diagnosis-of-follicular-patterned-thyroid-tumors
#9
Chan Kwon Jung, Yourha Kim, Sora Jeon, Kwanhoon Jo, Sohee Lee, Ja Seong Bae
Follicular-patterned tumors of the thyroid gland are characterized by a predominantly follicular growth pattern. They frequently harbor RAS mutations, not BRAF mutations. Technological advances in molecular testing have discovered novel RAS-type mutations. However, clinical significance of these mutations remains unknown. We investigated the prevalence and clinical impact of mutations of BRAF, NRAS, HRAS, KRAS, EZH1, EIF1AX, and TERT genes by Sanger sequencing in a series of 201 follicular-patterned thyroid tumors including follicular adenoma (n=40), Hürthle cell adenoma (n=54), noninvasive follicular thyroid neoplasms with papillary-like nuclear features (n=50), follicular thyroid carcinoma (n=40), Hürthle cell carcinoma (n=10), and poorly differentiated thyroid carcinoma arising in a well differentiated follicular neoplasm (n=7), and 120 classic papillary carcinoma...
April 30, 2018: Human Pathology
https://www.readbyqxmd.com/read/29722658/management-of-borderline-resectable-pancreatic-cancer
#10
REVIEW
Diego A S Toesca, Amanda J Koong, George A Poultsides, Brendan C Visser, Sigurdis Haraldsdottir, Albert C Koong, Daniel T Chang
With the rapid development of imaging modalities and surgical techniques, the clinical entity representing tumors that are intermediate between resectable and unresectable pancreatic adenocarcinoma has been identified has been termed "borderline resectable" (BR). These tumors are generally amenable for resection but portend an increased risk for positive margins after surgery and commonly necessitate vascular resection and reconstruction. Although there is a lack of consensus regarding the appropriate definition of what constitutes a BR pancreatic tumor, it has been demonstrated that this intermediate category carries a particular prognosis that is in between resectable and unresectable disease...
April 1, 2018: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/29721172/loss-of-nuclear-notch1-but-not-its-negative-regulator-numb-is-an-independent-predictor-of-cervical-malignancy
#11
Elenaé Vázquez-Ulloa, Ana Clara Ramos-Cruz, Diddier Prada, Alejandro Avilés-Salas, Alma Delia Chávez-Blanco, Luis A Herrera, Marcela Lizano, Adriana Contreras-Paredes
The participation of NOTCH signaling in invasive cervical cancer (ICC) remains controversial since both tumor suppressive and oncogenic properties have been described. Additionally, the role of NUMB, a negative regulator of NOTCH, remains unclear in ICC. We aimed to investigate the role of NOTCH1 and NUMB expression and their localization in cervical intraepithelial neoplasia (CIN) and ICC samples. A total of 144 biopsies were obtained from the Instituto Nacional de Cancerología, México from 2004 to 2017, and were subjected to immunohistochemistry for NOTCH1 and NUMB...
April 10, 2018: Oncotarget
https://www.readbyqxmd.com/read/29709594/reliability-of-iota-score-and-adnex-model-in-the-screening-of-ovarian-malignancy-in-postmenopausal-women
#12
Erdogan Nohuz
BACKGROUND: The IOTA (International Ovarian Tumour Analysis) group has developed the ADNEX (Assessment of Different NEoplasias in the adneXa) model to predict the risk that an ovarian mass is benign, borderline or malignant. This study aimed to test reliability of these risks prediction models to improve the performance of pelvic ultrasound and discriminate between benign and malignant cysts. MATERIAL AND METHODS: Postmenopausal women with an adnexal mass (including ovarian, para-ovarian and tubal) and who underwent a standardized ultrasound examination before surgery were included...
April 27, 2018: Journal of gynecology obstetrics and human reproduction
https://www.readbyqxmd.com/read/29709486/preservation-of-fertility-in-surgery-of-benign-and-borderline-malignant-ovarian-tumors
#13
A Guillaume, O Pirrello
Benign ovarian tumors occur in 7% of women during their procreative years and involve both organic and functional tumors. The average age of onset for borderline ovarian tumors is ten years younger than that for ovarian cancers. Women with benign and borderline malignant ovarian tumors are therefore more likely to be affected by fertility issues. The causal link between infertility and benign ovarian tumor stems more from the therapeutic strategies adopted than from the histological nature of the benign ovarian tumor...
April 27, 2018: Journal of Visceral Surgery
https://www.readbyqxmd.com/read/29682098/testing-for-nras-mutations-in-serous-borderline-ovarian-tumors-and-low-grade-serous-ovarian-carcinomas
#14
Pawel Sadlecki, Dariusz Grzanka, Marek Grabiec
The Idylla NRAS Mutation Test , performed on the Biocartis Idylla system, is an in vitro diagnostic tool for the qualitative assessment of 18 NRAS mutations in codons 12, 13, 59, 61, 117, and 146. Low-grade serous ovarian cancer (LGSC) represents less than 10% of all serous ovarian carcinomas. LGSCs are believed to arise from preexisting cystadenomas or serous borderline tumors (SBOTs) that eventually progress to an invasive carcinoma. The molecular analysis of cancer-causing mutations and the development of targeted biological therapies constitute a milestone in the diagnosis and therapy of ovarian malignancies...
2018: Disease Markers
https://www.readbyqxmd.com/read/29680231/accuracy-of-intraoperative-frozen-section-diagnosis-of-borderline-ovarian-tumors-by-hospital-type
#15
Jaimin Shah, Michael Mackelvie, David M Gershenson, Preetha Ramalingam, Marylee M Kott, Jubilee Brown, Polly Gauthier, Elizabeth Nugent, Lois M Ramondetta, M Frumovitz
STUDY OBJECTIVE: To compare the accuracy of frozen section diagnosis of borderline ovarian tumors among three distinct types of hospital-academic hospital with gynecologic pathologists, academic hospital with non-gynecologic pathologists, and community hospital with non-gynecologic pathologists-and to determine if surgical staging alters patient care or outcomes for women with a frozen section diagnosis of borderline ovarian tumor. DESIGN: Retrospective study DESIGN CLASSIFICATION: Level II1 SETTING: Tertiary care, academic, and community hospitals PATIENTS: Women with an intraoperative frozen section diagnosis of borderline ovarian tumor at one of the aforementioned three types of hospital from April 1998 through June 2016...
April 19, 2018: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/29676373/ovarian-borderline-mucinous-tumor-with-squamous-overgrowth-an-unusual-finding-with-review-of-literature
#16
Geetha Vasudevan, Padmapriya Jaiprakash, Shyamala Guruvare, Nivedita Samanta
Borderline mucinous tumor (BMT) is often associated with other entities such as dermoid cyst, Brenner tumor, and endometriosis. Squamous areas are often associated which may be a part of BMT or its associated conditions. Here, we describe squamous overgrowth in a case of intestinal type of mucinous borderline tumor in a 29-year-old uniparous female and discuss the diagnostic difficulties.
April 2018: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/29673382/risk-of-synchronous-endometrial-disorders-in-women-with-endometrioid-borderline-tumors-of-the-ovary
#17
Shuang-Zheng Jia, Jun-Ji Zhang, Jun-Jun Yang, Yang Xiang, Zhiyong Liang, Jin-Hua Leng
BACKGROUND: Synchronous endometrial disorders have been poorly studied in women with endometrioid borderline ovarian tumors (EBOT). The aims of this study were to investigate the risk of endometrial disorders among women with EBOT and associated factors, as well as their oncological and fertility outcomes. RESULTS: This retrospective study included 33 women with EBOT. Their mean age was 41.9 years, and endometria were evaluated in 25 of these patients. The prevalence of synchronous endometrial disorders was 52...
April 19, 2018: Journal of Ovarian Research
https://www.readbyqxmd.com/read/29661685/natural-course-of-local-bone-mineralization-after-treatment-of-benign-or-borderline-bone-tumors-and-cysts-with-a-composite-ceramic-bone-graft-substitute
#18
Peter Frederik Horstmann, Werner Herbert Hettwer, Michael Mørk Petersen
After surgical bone tumor removal, filling of the bone defect is frequently performed using a bone graft or bone graft substitute. During follow-up, precise quantification of changes in bone mineral density, within the treated bone defect, is very difficult using conventional X-ray examinations. The objectives of this study were to characterize the pattern of resorption/biodegradation of a composite calcium sulfate/hydroxyapatite bone graft substitute and to quantify the bone defect healing with repeated dual-energy X-ray absorptiometry (DXA) measurements...
March 23, 2018: Journal of Clinical Densitometry
https://www.readbyqxmd.com/read/29649004/atypical-hepatocellular-neoplasms-review-of-clinical-morphologic-immunohistochemical-molecular-and-cytogenetic-features
#19
Won-Tak Choi, Sanjay Kakar
The distinction of hepatocellular adenoma from well-differentiated hepatocellular carcinoma (HCC) can be difficult in some cases, especially on biopsy specimens. These borderline cases often occur in men or older patients and may have β-catenin activation or focal atypical morphologic features (such as small cell change, prominent pseudoacinar formation, cytologic atypia, focally thick plates, and/or focal reticulin loss) that are insufficient for an unequivocal diagnosis of HCC. The term "atypical hepatocellular neoplasm" has been advocated for these tumors, but a number of other terms, including "atypical adenoma," "hepatocellular neoplasm of uncertain malignant potential," and "well-differentiated hepatocellular neoplasm with atypical or borderline features" have also been proposed...
April 11, 2018: Advances in Anatomic Pathology
https://www.readbyqxmd.com/read/29645059/diagnosis-of-thymic-epithelial-tumor-subtypes-by-a-quantitative-proteomic-approach
#20
Ting Zhao, Jie Wu, Xiaohui Liu, Lei Zhang, Gang Chen, Haojie Lu
The histological typing of thymic epithelial tumours (TETs) still remains a challenge for surgical pathologists, especially when encountering borderline cases mainly focused on spindle cell types (including type A, atypical type A (aA), AB, and B3). A systematic proteomics analysis of TETs was performed using isobaric tags for relative and absolute quantification (iTRAQ) labeling coupled with two-dimensional liquid chromatography-tandem mass spectrometry (2D-LC-MS/MS). In total, 6479 and 6305 proteins were identified and quantified, respectively...
April 12, 2018: Analyst
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