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https://www.readbyqxmd.com/read/28545097/an-integrated-risk-predictor-for-pulmonary-nodules
#1
Paul Kearney, Stephen W Hunsucker, Xiao-Jun Li, Alex Porter, Steven Springmeyer, Peter Mazzone
It is estimated that over 1.5 million lung nodules are detected annually in the United States. Most of these are benign but frequently undergo invasive and costly procedures to rule out malignancy. A risk predictor that can accurately differentiate benign and malignant lung nodules could be used to more efficiently route benign lung nodules to non-invasive observation by CT surveillance and route malignant lung nodules to invasive procedures. The majority of risk predictors developed to date are based exclusively on clinical risk factors, imaging technology or molecular markers...
2017: PloS One
https://www.readbyqxmd.com/read/28544823/fine-needle-aspiration-cytology-findings-of-myxoinflammatory-fibroblastic-sarcoma-a-case-report
#2
Satoru Ozaki, Satomi Kasashima, Atsuhiro Kawashima, Akishi Ooi
Myxoinflammatory fibroblastic sarcoma (MIFS) is rare low-grade soft-tissue tumor that occurs in extremities. Clinically it is difficult to differentiate from benign lesions, such as nodular fasciitis, and malignant tumors, such as liposarcoma. We report a case of MIFS in the forearm of a 34-year-old man. The resected tumor measured 5.3 × 2.7 × 2.5 cm(3) , had a lobular structure with indistinct boundary, and consisted of a large amount of translucent and yellow mucous-like substrate. Cytological examination of a preoperative puncture aspiration specimen showed histiocyte- and fibroblast-like tumor cells in a mucous-like matrix together with scattered lipoblast- and ganglion-like cells...
May 24, 2017: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/28544711/greenlight-xps-for-treating-benign-prostatic-hyperplasia-%C3%A2-nice-2016-greenlight-xps-for-treating-benign-prostatic-hyperplasia
#3
(no author information available yet)
No abstract text is available yet for this article.
June 2017: BJU International
https://www.readbyqxmd.com/read/28544670/the-clinical-significance-of-esophagogastric-junction-outflow-obstruction-and-hypercontractile-esophagus-in-high-resolution-esophageal-manometry
#4
D Schupack, D A Katzka, D M Geno, K Ravi
BACKGROUND: Although major manometric abnormalities, the significance of esophagogastric junction outflow obstruction (EGJOO) and hypercontractile esophagus (HE) is poorly understood. We sought to determine long term outcomes for EGJOO and HE. METHODS: High-resolution impedance manometry (HRIM) studies conducted from 5/30/2012 to 8/1/2014 consistent with EGJOO and HE and normal studies from 5/30/12 to 11/1/12 were identified. Standardized follow up was conducted with a phone survey utilizing the impact dysphagia questionnaire (IDQ-10)...
May 23, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28544599/a-tumor-profile-in-patau-syndrome-trisomy-13
#5
Daniel Satgé, Motoi Nishi, Nicolas Sirvent, Michel Vekemans, Marie-Pierre Chenard, Ann Barnes
Individuals with trisomic conditions like Down syndrome and Edwards syndrome are prone to certain types of malignancy. However, for Patau syndrome (constitutional trisomy 13), which occurs in 1/10,000-1/20,000 live births, the tumor profile has not been well characterized. An awareness of susceptibility to malignancies can improve care of affected individuals, as well as further our understanding of the contribution of trisomy to carcinogenesis. Therefore, we conducted an extensive review of the literature; we found 17 malignancies reported in individuals with Patau syndrome...
May 25, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28544573/spindle-cell-subtype-of-pulmonary-clear-cell-tumor-with-prominent-calcification-and-malignant-potential
#6
Yinghua Song, Fangfang Chen, Caiqing Zhang, Xiaoyan Lin
Perivascular epithelioid cell tumor of the lung, also known as clear cell "sugar" tumor, is a rare benign tumor arising from perivascular epithelioid cells. Herein, we present a case of spindle cell subtype of pulmonary perivascular epithelioid cell tumor with prominent calcification and malignant potential in a 49-year-old woman. Histologically, the striking feature of this lesion was attributed to the presence of spindle cells arranged in a diffuse pattern, which is a pitfall for diagnosis. However, some of the lesion contained polygonal tumor cells with clear abundant cytoplasm surrounded by thin-walled vascular spaces...
May 25, 2017: Thoracic Cancer
https://www.readbyqxmd.com/read/28544547/a-membrane-free-neutral-ph-formate-fuel-cell-enabled-by-a-selective-nickel-sulfide-oxygen-reduction-catalyst
#7
Bing Yan, Nolan M Concannon, Jarrod D Milshtein, Fikile R Brushett, Yogesh Surendranath
Polymer electrolyte membranes employed in contemporary fuel cells severely limit device design and restrict catalyst choice, but are essential for preventing short-circuiting reactions at unselective anode and cathode catalysts. Herein, we report that nickel sulfide Ni3 S2 is a highly selective catalyst for the oxygen reduction reaction in the presence of 1.0 m formate. We combine this selective cathode with a carbon-supported palladium (Pd/C) anode to establish a membrane-free, room-temperature formate fuel cell that operates under benign neutral pH conditions...
May 23, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28544214/do-we-know-the-true-mechanism-of-action-of-the-dpp-4-inhibitors
#8
REVIEW
Emilie Skytte Andersen, Carolyn F Deacon, Jens Juul Holst
The prevalence of type 2 diabetes is increasing which is alarming because of its serious complications. Antidiabetic treatment aims to control glucose homeostasis as tightly as possible in order to reduce these complications. Dipeptidyl peptidase-4 (DPP-4) inhibitors are a recent addition to the antidiabetic treatment modalities, and have become widely accepted because of their good efficacy, their benign side effect profile and their low hypoglycaemia risk. The actions of DPP-4 inhibitors are not direct, but rather are mediated indirectly through preservation of the substrates they protect from degradation...
May 24, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28544109/express-with-caution-epitope-tags-and-cdna-variants-effects-on-herg-channel-trafficking-half-life-and-function
#9
Marika L Osterbur Badhey, Alexander C Bertalovitz, Thomas V McDonald
INTRODUCTION: Genetic mutations in KCNQ2 which encodes hERG, the alpha subunit of the potassium channel responsible for the IKr current, cause Long QT Syndrome, an inherited cardiac arrhythmia disorder. Electrophysiology techniques are used to correlate genotype with molecular phenotype to determine which mutations identified in patients diagnosed Long QT Syndrome are disease causing, and which are benign. These investigations are usually done using heterologous expression in cell lines, and often, epitope fusion tags are used to enable isolation and identification of the protein of interest...
May 24, 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28544089/benign-atrophic-papulosis-k%C3%A3-hlmeier-degos-disease-the-wedge-shaped-dermal-necrosis-can-resolve-with-time
#10
Christos C Zouboulis, Athanasios Theodoridis, Martina Brunner, Cynthia M Magro
BACKGROUND: Atrophic papulosis is a rare thrombo-occlusive disease, characterized by the appearance of multiple atrophic porcelain-white skin papules, with a surrounding erythematous rim, which are histologically consisting of wedge-shaped necrosis of the dermis. OBJECTIVE: It consists of two variants: a) the benign atrophic papulosis (BAP) only involving the skin and b) the malignant atrophic papulosis (MAP) also involving several internal organs with a cumulative 5-year survival rate of approx...
May 23, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28543986/a-case-of-primordial-odontogenic-tumor-a-new-entity-in-the-latest-who-classification-2017
#11
Toshinori Ando, Madhu Shrestha, Takashi Nakamoto, Kaori Uchisako, Sachiko Yamasaki, Koichi Koizumi, Ikuko Ogawa, Mutsumi Miyauchi, Takashi Takata
Primordial odontogenic tumor (POT) is a rare lesion in the jaw which has been included as a new entity of benign mixed epithelial and mesenchymal odontogenic tumour in the latest World Health Organization (WHO) classification (2017). Only seven cases have been reported. It typically occurs in the posterior mandible. We report an additional case of POT in the maxilla of an 8-year-old girl presenting with an asymptomatic buccal enlargement. A well-defined, unilocular, radiolucent lesion was observed radiographically...
May 25, 2017: Pathology International
https://www.readbyqxmd.com/read/28543924/plasma-serotonin-level-is-a-predictor-for-recurrence-and-poor-prognosis-in-colorectal-cancer-patients
#12
Yan Xia, Dawei Wang, Nan Zhang, Zhihao Wang, Li Pang
AIM: To investigate the prognostic value of plasma serotonin levels in colorectal cancer (CRC). PATIENTS AND METHODS: Preoperative plasma serotonin levels of 150 healthy control (HC) cases, 150 benign colorectal polyp (BCP) cases, and 176 CRC cases were determined using radioimmunoassay assay. Serotonin levels were compared between HC, BCP, and CRC cases, and those in CRC patients were related to 5-year outcome. RESULTS: Plasma serotonin levels were markedly higher in CRC patients than in either HCs or BCP cases...
May 22, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/28543852/cutaneous-granular-cell-tumors-in-children-case-series-and-review-of-the-literature
#13
Oluwatobi Olayiwola, Kristen Hook, Daniel Miller, Sheilagh Maguiness
Granular cell tumors (GCTs) are uncommon benign neoplasms thought to originate from Schwann cells. They most commonly present in adults as papules or nodules on mucosal sites. The clinical spectrum of GCT in children is not well delineated, although mucosal and cutaneous presentations have been reported. We present three children with cutaneous GCTs and review the literature in an attempt to further characterize this rare pediatric neoplasm.
May 25, 2017: Pediatric Dermatology
https://www.readbyqxmd.com/read/28543841/role-of-fluorescence-in-situ-hybridization-in-diagnosing-cholangiocarcinoma-in-indeterminate-biliary-strictures
#14
Z H Liew, T J Z Loh, T K H Lim, T H Lim, C J L Khor, S J Mesenas, C S C Kong, W C Ong, D M Y Tan
BACKGROUND: Brush cytology, the conventional method to diagnose cholangiocarcinoma, has been plagued by low diagnostic sensitivity and false-negative results. We aim to study the clinical utility of fluorescence in situ hybridization (FISH) in enhancing identification of malignant biliary strictures. METHODS: Brush cytologic specimens collected from endoscopic retrograde cholangiopancreatography (ERCP) for biliary strictures in a tertiary hospital in Singapore from March 2013 to July 2015 were examined by FISH technique using UroVysion probe set in this study...
May 19, 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28543840/imaging-of-nuclear-overhauser-enhancement-at-7-and-3%C3%A2-t
#15
Yuanyu Shen, Gang Xiao, Zhiwei Shen, Xiaolei Zhang, Xiangyong Tang, Wei Hu, Zhiyan Zhang, Jitian Guan, Renhua Wu
Nuclear Overhauser enhancement (NOE) is a type of magnetization transfer using cross-relaxation. It originates from mobile macromolecules, which may have relevance to the evaluation of tumor features. We studied the value of NOE imaging at 7 and 3 T and suggest a utility for diagnosing human brain tumors. Two types of protein solution at different concentrations and pH values, and six normal Sprague Dawley (SD) rats, were used to detect NOE signal with a 7 T scanner. Then, six healthy volunteers and 11 patients with brain tumors (six gliomas and five meningiomas) were included at 3 T...
May 24, 2017: NMR in Biomedicine
https://www.readbyqxmd.com/read/28543636/loss-of-retinoblastoma-in-pleomorphic-fibroma-an-immunohistochemical-and-genomic-analysis
#16
Brian Hinds, Alfredo Agulló, Philip E LeBoit, Timothy H McCalmont, Jeffrey P North
BACKGROUND: Pleomorphic fibroma is a curious neoplasm that exhibits striking cytologic atypia, yet behaves in benign fashion. The cytologic features including single cells with pleomorphic nuclei and scattered giant cells resemble the neoplastic cells of pleomorphic lipoma, a tumor with known retinoblastoma (Rb) loss. METHODS: We assessed the demographic and histopathologic features of a cohort of 26 pleomorphic fibromas, including assessment with immunostaining for Rb, p16, and Ki-67...
May 23, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28543629/epidemiology-and-predisposing-factors-for-erythema-toxicum-neonatorum-and-transient-neonatal-pustular-a-multicenter-study
#17
Flávia Pereira Reginatto, Fernanda Mello Muller, Juliano Peruzzo, Tania Ferreira Cestari
BACKGROUND/OBJECTIVES: Erythema toxicum neonatorum (ETN) and transient neonatal pustular melanosis (TNPM) are benign pustular skin conditions that are relatively common in newborns, but the predisposing factors for these conditions are unknown. Our goal was to verify the prevalence of ETN and TNPM and their predisposing factors in a large sample of neonates. METHODS: In this prospective 1-year multicenter study, 2,831 neonates (age ≤72 hours) born in southern Brazil were randomized to undergo skin examination by a dermatologist...
May 25, 2017: Pediatric Dermatology
https://www.readbyqxmd.com/read/28543606/reflectance-confocal-microscopy-analysis-of-equivocal-melanocytic-lesions-with-severe-regression
#18
M Agozzino, A Ferrari, C Cota, C Franceschini, P Buccini, L Eibenshutz, M Ardigò
BACKGROUND: The differential diagnosis between regressing nevi and melanoma might be challenging; regressing areas can represent a confounding factor for the diagnosis and the histology still remain mandatory to rule out melanoma. Reflectance confocal microscopy may add valuable information by revealing features suggestive of the nature of the melanocytic proliferation. OBJECTIVE: To assess the impact of confocal microscopy in the management of regressive melanocytic lesions...
May 21, 2017: Skin Research and Technology
https://www.readbyqxmd.com/read/28543515/thrombocytopenia-associated-with-localized-scleroderma-report-of-four-pediatric-cases-and-review-of-the-literature
#19
Ankur Kumar Jindal, Anju Gupta, Sunil Dogra, Amit Rawat, Deepti Suri, Jasmina Ahluwalia, Surjit Singh
We report on four children with localized scleroderma (morphea) and thrombocytopenia. All four had the en coup de sabre subtype of morphea and had varying degrees of thrombocytopenia (8 × 10(9) /L to 120 × 10(9) /L). None of them had major bleeding manifestations, and thrombocytopenia resolved with treatment of morphea. (One patient was also given an injection of anti-D immunoglobulin.) We propose that thrombocytopenia associated with localized scleroderma is usually benign and requires no specific therapy...
May 23, 2017: Pediatric Dermatology
https://www.readbyqxmd.com/read/28543313/congenital-atrophic-plaque-fibroblastic-connective-tissue-nevus
#20
Luis Jesús Allemant Ortiz, Ximena Calderón-Castrat, Alex Orellana Cortez, Beatriz Ingar Carbone, Angel Santos-Briz
Fibroblastic connective tissue nevus (FCTN) is a rare, benign, dermal mesenchymal hamartoma that affects children. We report a 15-year-old boy with a congenital FCTN and describe the clinical, dermatoscopic, and histopathologic features.
May 23, 2017: Pediatric Dermatology
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