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https://www.readbyqxmd.com/read/28335220/pde5-inhibitors-loaded-nanovesicles-physico-chemical-properties-and-in-vitro-antiproliferative-activity
#1
Roberta F De Rose, Maria Chiara Cristiano, Marilena Celano, Valentina Maggisano, Ada Vero, Giovanni Enrico Lombardo, Martina Di Francesco, Donatella Paolino, Diego Russo, Donato Cosco
Novel therapeutic approaches are required for the less differentiated thyroid cancers which are non-responsive to the current treatment. In this study we tested an innovative formulation of nanoliposomes containing sildenafil citrate or tadalafil, phosphodiesterase-5 inhibitors, on two human thyroid cancer cell lines (TPC-1 and BCPAP). Nanoliposomes were prepared by the thin layer evaporation and extrusion methods, solubilizing the hydrophilic compound sildenafil citrate in the aqueous phase during the hydration step and dissolving the lipophilic tadalafil in the organic phase...
May 18, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28331738/sentinel-node-biopsy-in-special-histologic-types-of-invasive-breast-cancer
#2
Montserrat Solà, Mireia Recaj, Eva Castellà, Pere Puig, Josep Maria Gubern, Juan Francisco Julian, Manel Fraile
OBJECTIVE: To assess the feasibility of sentinel node biopsy (SNB) in ductal and lobular invasive breast cancer, a group of tumors known as special histologic type (SHT) of breast cancer. MATERIALS AND METHODS: Between January 1997 and July 2008, 2253 patients from 6 affiliated hospitals underwent SNB who had early breast cancer and clinically negative axilla. The patients' data were collected in a multicenter database. For lymphatic mapping, all patients received an intralesional dose of radiocolloid Tc-99m (4mCi in 0...
April 2016: J Breast Health (2013)
https://www.readbyqxmd.com/read/28328844/clinicopathological-study-on-thyroid-follicular-carcinoma-like-renal-tumor-related-to-serious-hypertension-case-report-and-review-of-the-literature
#3
Hui Wang, Jianpeng Yu, Zhonghua Xu, Gang Li
RATIONALE: Thyroid carcinoma-like tumor of the kidney (TLFCK) is an extremely rare variant of renal cell carcinoma. Most cases were incidentally found, while we report the first case of TLFCK presented with hypertension. PATIENT CONCERNS: A 25-year-old woman was admitted to our hospital presenting with hypertension for ∼20 months, without gross hematuria, weight loss, and flank pain. DIAGNOSES: Imaging studies revealed a right renal mass with multiple calcifications...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28315424/diagnostic-criteria-for-oncocytic-renal-neoplasms-a-survey-of-urologic-pathologists
#4
Sean R Williamson, Ramya Gadde, Kiril Trpkov, Michelle S Hirsch, John R Srigley, Victor E Reuter, Liang Cheng, L Priya Kunju, Ravi Barod, Craig G Rogers, Brett Delahunt, Ondrej Hes, John N Eble, Ming Zhou, Jesse K McKenney, Guido Martignoni, Stewart Fleming, David J Grignon, Holger Moch, Nilesh S Gupta
Renal oncocytoma and chromophobe renal cell carcinoma (RCC) have been long recognized as distinct tumors; however, it remains unknown if uniform diagnostic criteria are used to distinguish these tumor types in practice. A survey was distributed to urologic pathologists regarding oncocytic tumors. Responses were received from 17/26 invitees. Histologically, >1 mitotic figure was regarded as most worrisome (n=10) or incompatible (n=6) with oncocytoma diagnosis. Interpretation of focal nuclear wrinkling, focal perinuclear clearing, and multinucleation depended on extent and did not necessarily exclude oncocytoma if minor...
March 14, 2017: Human Pathology
https://www.readbyqxmd.com/read/28224716/fine-needle-aspiration-cytology-of-the-papillary-thyroid-carcinoma-with-a-solid-component-a-cytological-and-clinical-correlation
#5
Ryuji Ohashi, Yukihiro Murase, Miyuki Matsubara, Yasuhiko Watarai, Takehito Igarashi, Iwao Sugitani, Zenya Naito
BACKGROUND: Solid variant of papillary thyroid carcinoma is a rare subtype of papillary thyroid carcinoma (PTC) containing a solid component (SC), and thus its cytological and clinicopathological features remain elusive. We examined fine needle aspiration (FNA) cytological features of PTC with variable degrees of SC (20-80% of the tumor)(PTCSC) in comparison to well-differentiated PTC (WPTC). METHODS: Twenty-six cases of PTCSC were histologically stratified into major-SC (SC >50% of the tumor) and minor-SC (<49%) groups...
February 22, 2017: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/28028343/cribriform-morular-variant-of-papillary-thyroid-carcinoma-cytomorphology-differential-diagnosis-and-diagnostic-implications-in-patients-with-adenomatous-polyposis-coli
#6
Amarathunga Ah Priyani, Shamika T Opatha, Nisayuri W Gunathilake, Menaka Ds Lokuhetty
Cribriform-morular variant of papillary thyroid carcinoma (CMV-PTC), which has a better prognosis, is seen mostly in the setting of familial adenomatous polyposis (FAP). The cytomorphology of CMV-PTC is diverse; hence, it could be mistaken for other thyroid neoplasms with bad prognostic outcome. This case is of a 24-year-old female diagnosed with polyposis coli found to have thyroid nodules at screening ultrasonography. Aspirated thyroid smears were hypercellular with epithelial cells arranged in monolayer sheets, papillae with discohesion, and spindling of cells at the edges, cribriform clusters, and cell morules...
October 2016: Journal of Cytology
https://www.readbyqxmd.com/read/28028337/thyroid-fnac-containing-h%C3%A3-rthle-cells-and-h%C3%A3-rthle-like-cells-a-study-of-128-cases
#7
Aylin Yazgan, Serdar Balci, Nazmiye Dincer, Pamir Eren Ersoy, Dilek Tuzun, Reyhan Ersoy, Cigdem Irkkan, Bekir Cakir, Gulnur Guler
AIM: It is a diagnostic challenge to differentiate benign and malignant cytology in the presence of Hürthle cells. In our previous study, it was determined that in fine needle aspirations (FNA), the malignancy outcome of the Hürthle cells containing group tend to be papillary thyroid carcinoma (PTC) in a higher percentage. The most common misinterpretation is caused by PTC cells with large cytoplasm-like Hürthle cells. The aim of this study is to predict histologic outcome of the nodules, which have Hürthle cells in FNA according to cytological, clinical features, and BRAF(V600E) mutation status...
October 2016: Journal of Cytology
https://www.readbyqxmd.com/read/27914217/hla-g-3-untranslated-region-polymorphic-sites-associated-with-increased-hla-g-production-are-more-frequent-in-patients-exhibiting-differentiated-thyroid-tumours
#8
Nathalie Lobo de Figueiredo-Feitosa, Gustavo Martelli Palomino, Daiani Cristina Cilião Alves, Celso Teixeira Mendes Junior, Eduardo Antonio Donadi, Léa Maria Zanini Maciel
BACKGROUND: HLA-G is a nonclassical class I histocompatibility molecule implicated on the immune escape mechanism of tumour cells. We evaluated the genetic diversity of HLA-G 3' untranslated region (3'UTR) and associated polymorphic sites with clinical presentation and with the magnitude of HLA-G thyroid expression. PATIENTS AND METHODS: Polymorphic sites at 3'UTR (14bpINS/DEL, +3003C/T, +3010C/G, +3027A/C, +3035C/T, +3142C/G, +3187A/G, +3196C/G) were characterized by sequencing analyses in blood samples of 72 patients exhibiting papillary thyroid carcinoma (PTC), 22 follicular thyroid carcinomas (FTC), 19 follicular adenomas (FA), 21 colloid goitres and 156 healthy controls...
April 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/27891344/role-of-scrape-cytology-as-an-adjunct-to-fine-needle-aspiration-cytology-in-diagnosis-of-thyroid-lesions
#9
Mehnaaz Sultan Khuroo, Shaista Mushtaq, Summyia Farooq, Ambreen Beigh, Naila Nazir, Ruby Reshi
INTRODUCTION: Scrape cytology is an important diagnostic tool. It has been used in many tissue types as an adjunct or replacement for frozen section/ intra operative consultation. AIM: This study was done to evaluate the role of scrape cytology in the diagnosis of thyroid lesions, its role as an adjunct to Fine Needle Aspiration Cytology (FNAC) and application of this technique for intra-operative consultation. MATERIALS AND METHODS: A prospective study on 50 thyroid neoplasms received over a period of 18 months (Nov 2014- March 2016) was conducted...
October 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27862483/cytological-features-of-solid-variants-of-papillary-thyroid-carcinoma-a-fine-needle-aspiration-cytology-study-of-18-cases
#10
M Higuchi, M Hirokawa, A Suzuki, N Takada, N Yamao, S Kuma, A Miyauchi
OBJECTIVE: Solid variants of papillary thyroid carcinoma (SV-PTC) are rare, and there have been few reports describing the cytological findings of such variants. METHODS: The cytological features of cellular specimens aspirated from 18 histologically confirmed SV-PTC cases were evaluated, retrospectively. RESULTS: Solid and small papillary clusters were observed in 14 (77.8%) and 13 (72.2%) cases, respectively. The incidences of large papillary clusters (11...
November 13, 2016: Cytopathology: Official Journal of the British Society for Clinical Cytology
https://www.readbyqxmd.com/read/27824319/multiple-neoplasms-simultaneously-diagnosed-by-complementary-triple-tracer-pet-ct-and-123i-mibg-scintigraphy
#11
Esben Søndergaard, Andreas Ebbehoj, Per Løgstrup Poulsen, Lars Christian Gormsen
A 51-year-old woman with recurrent paragangliomas and catecholamine hypersecretion underwent F-FDG PET/CT for localization and evaluation of extent of disease. This revealed multiple F-FDG avid tumors with localization pattern suggesting multiple primary neoplasms of different origin rather than disseminated paraganglioma. Three additional nuclear medicine investigations were performed (F-DOPA PET/CT, Ga-DOTATOC PET/CT and I-MIBG scintigraphy) to further characterize tumor biology, guide diagnostic workup, and decide treatment strategy...
January 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/27816717/pancreatic-serous-cystic-neoplasms-accompanying-other-pancreatic-tumors
#12
So-Woon Kim, In Hye Song, Soyeon An, So Yeon Kim, Hyoung Jung Kim, Ki-Byung Song, Dae Wook Hwang, Sang Soo Lee, Jae Ho Byun, Dong-Wan Seo, Song Cheol Kim, Eunsil Yu, Seung-Mo Hong
Serous cystic neoplasms (SCNs) are benign cystic neoplasms that predominantly occur in the tail of the pancreas in elderly women. It is well known that patients with von Hippel-Lindau syndrome can develop SCNs and neuroendocrine tumors in the pancreas. However, our understanding on SCNs accompanying other pancreatic tumors (SCNAOPTs) is limited. We compared the clinicopathologic features of 15 surgically resected SCNAOPTs with 259 conventional SCNs. The prevalence of SCNAOPT was 5%. The SCNAOPTs were significantly smaller than conventional solitary SCNs, and they were more commonly observed in the head of the pancreas, while conventional solitary SCNs were more frequently noted in the body and tail...
November 2, 2016: Human Pathology
https://www.readbyqxmd.com/read/27793528/-mucinous-carcinoma-of-the-breast-clinical-biological-and-evolutive-profile
#13
N Naqos, A Naim, H Jouhadi, A Taleb, Z Bouchbika, N Benchakroune, N Tawfiq, S Sahraoui, A Benider
PURPOSE: Mucinous carcinoma of the breast accounts for 1 to 4% of all breast cancer. There are two histological subtypes: mixed mucinous carcinoma, where the ductal carcinoma is associated with the colloid component, and pure mucinous carcinoma, with a favorable prognosis, where the mucus surrounds the tumour tissue and constitutes a mechanical barrier limiting cell invasion and making this form less aggressive. Our study aimed to determine retrospectively the main epidemiological, clinical, biological, and therapeutic features, as well as the prognosis of this rare form of breast carcinoma...
December 2016: Cancer Radiothérapie: Journal de la Société Française de Radiothérapie Oncologique
https://www.readbyqxmd.com/read/27789946/real-time-colorimetric-detection-of-dna-methylation-of-the-pax1-gene-in-cervical-scrapings-for-cervical-cancer-screening-with-thiol-labeled-pcr-primers-and-gold-nanoparticles
#14
Jin Huang, Yu-Ligh Liou, Ya-Nan Kang, Zhi-Rong Tan, Ming-Jing Peng, Hong-Hao Zhou
BACKGROUND: DNA methylation can induce carcinogenesis by silencing key tumor suppressor genes. Analysis of aberrant methylation of tumor suppressor genes can be used as a prognostic and predictive biomarker for cancer. In this study, we propose a colorimetric method for the detection of DNA methylation of the paired box gene 1 (PAX1) gene in cervical scrapings obtained from 42 patients who underwent cervical colposcopic biopsy. METHODS: A thiolated methylation-specific polymerase chain reaction (MSP) primer was used to generate MSP products labeled with the thiol group at one end...
2016: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/27760609/-clinicopathologic-characteristics-of-thyroid-like-follicular-carcinoma-of-the-kidney-an-analysis-of-five-cases-and-review-of-literature
#15
X Chen, F X Dou, X B Cheng, A T Guo, H Y Shi
Objective: To study the clinicopathologic features of thyroid-like follicular renal cell carcinoma. Methods: Clinical data were collected in 5 cases of thyroid-like follicular renal cell carcinoma. HE staining and immunohistochemistry were carried out in surgically-removed specimen to analyze the clinical and pathological features with review of the literatures. Results: The patients aged 20-55 years, with one male and four females; the tumor occurred in the left kidney in three cases and right kidney in two cases...
October 8, 2016: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/27756982/fine-needle-aspiration-study-of-cystic-papillary-thyroid-carcinoma-rare-cytological-findings
#16
Maral Mokhtari, Perikala Vijayananda Kumar, Kamran Hayati
BACKGROUND: Cystic papillary thyroid carcinoma (CPTC) is a variant of papillary carcinoma that has many mimickers in cytological grounds. AIM: To study the cytomorphologic features of CPTC and compare them to those of other cystic thyroid lesions using fine-needle aspiration cytology (FNAC). We also aimed to identify the cytomorphologic features that distinguish CPTC from other cystic thyroid lesions. MATERIALS AND METHODS: Seventy-three cases of CPTC were included in the study...
July 2016: Journal of Cytology
https://www.readbyqxmd.com/read/27684838/uncommon-liver-tumors-case-report-and-literature-review
#17
REVIEW
Chia-Hung Wu, Nai-Chi Chiu, Yi-Chen Yeh, Yu Kuo, Sz-Shian Yu, Ching-Yao Weng, Chien-An Liu, Yi-Hong Chou, Yi-You Chiou
BACKGROUND: Beside hepatocellular carcinoma, metastasis, and cholangiocarcinoma, the imaging findings of other relatively uncommon hepatic lesions are less discussed in the literature. Imaging diagnosis of these lesions is a daily challenge. In this article, we review the imaging characteristics of these neoplasms. METHODS: From January 2003 to December 2014, 4746 patients underwent liver biopsy or hepatic surgical resection in our hospital. We reviewed the pathological database retrospectively...
September 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27673954/outcomes-of-patients-with-hepatocellular-carcinoma-and-advanced-cirrhosis-after-high-dose-radiation-therapy-guided-by-functional-liver-imaging-with-tc99m-sulfur-colloid-liver-spect-ct
#18
J K Logan, P C Park, F C Wong, W D Erwin, S Beddar, A O Kaseb, C H Crane, E J Koay
No abstract text is available yet for this article.
October 1, 2016: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/27665318/synthesis-and-biological-evaluation-of-pegylated-cuo-nanoparticles
#19
K Giannousi, E Hatzivassiliou, S Mourdikoudis, G Vourlias, A Pantazaki, C Dendrinou-Samara
There is a growing field of research into the physicochemical properties of metal oxide nanoparticles (NPs) and their potential use against tumor formation, development and progression. Coated NPs with biocompatible surfactants can be incorporated into the natural metabolic pathway of the body and specifically favor delivery to the targeted cancerous cells versus normal cells. Polyethylene glycol (PEG) is an FDA approved, biocompatible synthetic polymer and PEGylated NPs are regarded as "stealth" nanoparticles, which are not recognized by the immune system...
November 2016: Journal of Inorganic Biochemistry
https://www.readbyqxmd.com/read/27660259/comparison-of-single-photon-emission-computed-tomography-computed-tomography-spect-ct-and-conventional-planar-lymphoscintigraphy-for-sentinel-node-localization-in-patients-with-cutaneous-malignancies
#20
Matthew P Doepker, Maki Yamamoto, Matthew A Applebaum, Nupur U Patel, M Jaime Montilla-Soler, Amod A Sarnaik, C Wayne Cruse, Vernon K Sondak, Jonathan S Zager
BACKGROUND: Accurate preoperative lymphoscintigraphy is vital to performing sentinel lymph node biopsy (SLNB) for cutaneous malignancies. Potential advantages of single-photon emission computed tomography with integrated computed tomography (SPECT/CT) include the ability to readily identify aberrant drainage patterns as well as provide the surgeon with three-dimensional anatomic landmarks not seen on conventional planar lymphoscintigraphy (PLS). METHODS: Patients with cutaneous malignancies who underwent SLNB with preoperative imaging using both SPECT/CT and PLS from 2011 to 2014 were identified...
September 22, 2016: Annals of Surgical Oncology
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