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Manuel I España, Franco Signorini, Marcos Marani, Alvaro Alcaraz, Santiago Reimondez, Ma Eugenia Romero, Lucio Obeide
Introduction: The study of the Sentinel Lymph Node (SLN) in Melanoma is a procedure that aims the identification of the first node to which the affected cutaneous sector drains in order to avoid unnecessary lymphadenectomies. The present study documents the frequency of identification of SLN; the relationship between positive SLN (PSLN) and recurrence, between the Breslow index (BI) and PSLN, and between BI and disease recurrence. Method: We analyzed the records of 148 patients with melanoma stages I and II undergoing lymphatic mapping and GC biopsy from 1999 to 2017 in a third level institution in Córdoba, Argentina...
2019: Cirugia y Cirujanos
L Abar, J G Sobiecki, M Cariolou, N Nanu, A R Vieira, C Stevens, D Aune, D C Greenwood, D S M Chan, T Norat
Background: To summarise the evidence on the associations between body mass index (BMI) and BMI in early adulthood, height, waist circumference (WC) and waist to hip ratio (WHR), and risk of lympho-hematopoietic cancers. Method: We conducted a meta-analysis of prospective studies and identified relevant studies published up to December 2017 by searching PubMed. A random effects model was used to calculate dose-response summary relative risks (RRs). Results: Our findings showed BMI, and BMI in early adulthood (aged 18-21 years) is associated with the risk of Hodgkin's and Non-Hodgkin's lymphoma (HL and NHL), Diffuse Large Beta Cell Lymphoma (DLBCL), Leukaemia including Acute and Chronic Myeloid Lymphoma (AML and CML), and Chronic Lymphocytic Leukaemia (CLL) and Multiple Myeloma...
February 7, 2019: Annals of Oncology: Official Journal of the European Society for Medical Oncology
Heidi Eilertsen, Per Christian Saether, Carola E Henriksson, Anne-Sofie Petersen, Tor-Arne Hagve
INTRODUCTION: The aim of the present study was to evaluate the diagnostic ability of blast flags generated by Sysmex instruments (XE/XN) by comparing with immunophenotyping by flow cytometry (IFCM). Additionally, the ability of manual microscopy and CellaVision DM96 (pre- and reclassification) to predict the presence of "true" blasts was investigated. METHODS: Blood samples (n = 240) with suspect pathology flags reported by the XE were collected from the daily workload and examined by the XN, by manual microscopy, by CellaVision DM96 and by IFCM (CytoDiff Panel)...
February 11, 2019: International Journal of Laboratory Hematology
Ga-Young Lee, Seon-Yeong Jeong, Hae-Ri Lee, Il-Hoan Oh
The bone marrow (BM) microenvironment serves as a stem cell niche regulating the in vivo cell fate of normal hematopoietic stem cells (HSC) as well as leukemia stem cells (LSCs). Accumulating studies have indicated that the regeneration of normal HSCs and the process of leukemogenesis change with advancing age. However, the role of microenvironmental factors in these age-related effects are unclear. Here, we compared the stem cell niche in neonatal and adult BM to investigate potential differences in their microenvironmental regulation of both normal and leukemic stem cells...
January 30, 2019: Scientific Reports
Nunzio Digiacomo, Elena Bolzacchini, Giovanni Veronesi, Roberta Cerutti, Nora Sahnane, Graziella Pinotti, Marco Bregni, Salvatore Artale, Claudio Verusio, Filippo Crivelli, Carlo Capella, Fausto Sessa, Daniela Furlan
BACKGROUND: Approximately 10% of metastatic colorectal cancer (mCRC) cases will harbor the BRAF p.V600E mutation (BRAF-mCRC) and have been associated with a poor prognosis. Although they are usually considered a unique clinical entity, biologic heterogeneity has been described. We performed an extensive clinicopathologic study of a multicenter series of BRAF-mCRC to highlight differences between tumors with microsatellite instability (MSI) and microsatellite stable tumors, focusing on both inflammatory profiles and neuroendocrine differentiation...
December 20, 2018: Clinical Colorectal Cancer
Abdul Rafeh Naqash, Danielle M File, Carolyn M Ziemer, Young E Whang, Paula Landman, Paul B Googe, Frances A Collichio
BACKGROUND: With the advent of immune-checkpoint inhibitors and targeted treatments (TT), there have been unprecedented response rates and survival in advanced melanoma, but the optimal sequencing of these two treatments modalities is unknown. Combining or sequencing these agents could potentially result in unique toxicities. Cutaneous adverse events (CAE) after sequential exposure to these agents represents one toxicity that needs further description. METHODS: After retrospectively reviewing charts of patients from 2015 to 2018, we identified six patients who experienced CAEs after recent exposure to sequential immunotherapy and TT or vice versa for the treatment for metastatic melanoma at the University of North Carolina, Chapel Hill...
January 8, 2019: Journal for Immunotherapy of Cancer
Hany M El Hennawy, Ahmed Al Hashemy, Nafaa Al Harbi, Wael T Habhab, Ahmed E Fahmy
Outcome of pediatric kidney transplantation (KT) has improved over the last several decades. We retrospectively reviewed the outcomes pediatric KT in King Faisal Specialist Hospital and Research Center-Jeddah, Saudi Arabia. Between May 2013 and November 2016, we performed renal transplantation in 47 children, 30 (64%) males, and 17 (36%) females. All patients received antibody induction with basiliximab or antithymocyte globulin along with triple immunosuppressive therapy with tacrolimus, mycophenolate mofetil and steroids...
November 2018: Saudi Journal of Kidney Diseases and Transplantation
Dilip K Das
OBJECTIVES: Hürthle cell (HC) metaplasia is an important feature of chronic lymphocytic (Hashimoto) thyroiditis (HT). However, it is rarely observed in juvenile form HT. In a study based on fine needle aspiration cytology, the cytomorphological difference between pediatric HT and its adult form was studied, with special attention on HC metaplasia and its pathogenesis. MATERIALS AND METHODS: The frequency of following 12 cytomorphological features in 16 pediatric and 104 adult HT cases were compared: follicular cells, lymphoid cells, HCs, plasma cells, lympho-histiocytic aggregates, epithelioid histiocytes, multinucleated giant cells, fire-flare appearance, colloid, intracytoplasmic lumen (ICL) with or without colloid inclusion, paravacuolar granules, and cyst cells...
December 26, 2018: Diagnostic Cytopathology
D A Кurinnyi, O M Demchenko, M G Romanenko, S R Rushkovsky
OBJECTIVE: To investigate an effect of astaxanthin on global DNA methylation in human peripheral blood lympho-cytes exposed to γ-radiation in vitro. METHODS: Samples of whole blood were diluted with RPMI-1640 medium in proportion 1 : 10 and incubated at 37 °Cfor 3 h. Samples were exposed to γ-ray (emitter IBL-237C, dose-rate 2.34 Gy/min) in dose 1.0 Gy. Astaxanthin wasadded into culture medium in final concentrations 20.0 μg/ml before irradiation. The analysis of the global DNAmethylation state was carried out using modified method of neutral single-cell gel electrophoresis (Comet assay)after digestion with the methylation-sensitive endonuclease HpaII...
December 2018: Problemy Radiat︠s︡iĭnoï Medyt︠s︡yny Ta Radiobiolohiï
Gabriele D'Amata, Luciano Izzo, Federico Pugliese, Sara Izzo, Paolo Izzo, Umberto Costi, Francesco Razionale, Rossana Izzo, Stefano Valabrega
BACKGROUND: Gastric cancer triggers an immune response, manifested by immunocompetent cells infiltrating the tumor, such as macrophages, NK cells, neutrophils, T and B-lymphocytes, and plasma cells. METHODS: Were viewed 300 patients who received surgery for gastric cancer, with removal of at least 15 regional lymph nodes, from January 1998 through December 2008, at the Policlinico "Umberto I", Department of Surgery "Pietro Valdoni", "Sapienza" University of Rome, and at "Santa Maria Goretti" Hospital of Latina, Italy...
2018: Annali Italiani di Chirurgia
Tsunehiko Shigemori, Yuji Toiyama, Yoshinaga Okugawa, Akira Yamamoto, Chengzeng Yin, Aya Narumi, Takashi Ichikawa, Shozo Ide, Tadanobu Shimura, Hiroyuki Fujikawa, Hiromi Yasuda, Junichiro Hiro, Shigeyuki Yoshiyama, Masaki Ohi, Toshimitsu Araki, Masato Kusunoki
BACKGROUND: This study assessed programmed cell death ligand 1 (PD-L1) expression in primary tissues and soluble PD-L1 (sPD-L1) concentration in matched preoperative serum in gastric cancer (GC) patients to perform direct comparison between tissue and serum PD-L1 expression and to clarify the prognostic implication in GC. METHODS: The study enrolled 180 GC patients who underwent surgery for GC at the authors' institution. The study evaluated tissue PD-L1 expression using immunohistochemistry and quantified sPD-L1 concentration in preoperative serum using enzyme-linked immunosorbent assay in GC patients...
March 2019: Annals of Surgical Oncology
Igor I Slukvin, Gene I Uenishi
Human pluripotent stem cells (hPSCs) have been suggested as a potential source for the de novo production of blood cells for transfusion, immunotherapies and transplantation. However, even with advanced hematopoietic differentiation methods, the primitive and myeloid-restricted waves of hematopoiesis dominate in hPSC differentiation cultures while cell-surface markers to distinguish these waves of hematopoiesis from lympho-myeloid hematopoiesis remain unknown. In the embryo, hematopoietic stem cells (HSCs) arise from hemogenic endothelium (HE) lining arteries, but not veins...
November 27, 2018: Experimental Hematology
Ling Zhu, Jingbo Wang, Huimin Shi, Xiaofeng Tao
BACKGROUND: Differential diagnosis of the mucosa-associated lymphoid tissue lymphoma (MALToma) and tumor-like benign lymphoepithelial lesion (BLEL) in the parotid gland is difficult. PURPOSE: To distinguish MALToma and BLEL with multimodality MRI including hydrogenproton magnetic resonance spectroscopy (1 H-MRS), diffusion-weighted imaging (DWI-MR), and dynamic contrast-enhanced (DCE-MR), and evaluate each sequence. STUDY TYPE: Retrospective...
November 26, 2018: Journal of Magnetic Resonance Imaging: JMRI
Wondimu Gudu
BACKGROUND: Pelvic tuberculosis is a rare form of extrapulmonary tuberculosis. It commonly involves the fallopian tubes and the uterus from a lympho-hematogeneous spread. The presentation of pelvic tuberculosis as an isolated ovarian abscess is extremely rare and is reported only twice. CASE PRESENTATION: a 25 yrs. old para III mother in the post partum period undergone laparotomy for suspected tuboovarian abscess/ovarian tumor after presenting with abdominal pain, pelvic mass and fever...
November 22, 2018: Journal of Ovarian Research
Mona Mlika, Besma Hamdi, Adel Marghli, Faouzi El Mezni
INTRODUCTION: Lympho-epithelioma like carcinoma is a rare lung tumour that acounts for less than 1% of non small cell lung carcinomas. It is defined as a special entity among the 2015 World Health Organization. AIM: Our aim was to describe a completely illustrated new case of lymhpo-epithelioma like carcinoma. We describe a new case diagnosed in our Department of Pathology. CASE PRESENTATION: The authors describe a case of a 22-year-old woman without a particular past medical history who presented non specific respiratory symptoms...
July 2018: La Tunisie Médicale
Basim Rassam Ghadhban
Background: Advanced breast cancer is a common disease among female in the world. There is a correlation between cancer and hyper coagulation. In a cancer state, there is an increase in the level of cross-linked fibrin degradation product (d-dimer)which indicates systemic activation of fibrinolysis and hemostasis. So, there is a relation between increase d-dimer value and advanced breast disease. Objective: To confirm the relation between increase d-dimer levels and advanced breast carcinoma in female patients...
December 2018: Annals of Medicine and Surgery
Virginie Lemiale, Sandrine Valade, Laure Calvet, Eric Mariotte
Hemophagocytic syndrome remains a rare but life-threatening complication and is associated with intensive care unit (ICU) admission. The pathophysiology is based on a defect of cytotoxicity in T cells that results in a state of hyperinflammation in the presence of a trigger. As a consequence, patients may develop multiorgan failure. The diagnosis of hemophagocytic syndrome (HS) remains difficult and relies on persistant high-grade fevers in the absence of infection and on constellation of laboratory parameters...
November 1, 2018: Journal of Intensive Care Medicine
Patrice Mathevet, Teresa Alvarez, Fernanda Herrera, Anita Wolfer
Endometrial carcinoma is one of the most frequent women cancer. Its incidence is increasing due to the aging of the population and changes in life. Fortunately, these cancers are usually detected at an early stage due to post-menopausal bleeding. The prognostic factors are quite well determined : loco-regional and distant tumoral extension according to the FIGO classification, grade and histological type and the presence of lympho-vascular space invasions. These cancers, however, are usually of good prognosis because of an early diagnosis, and their treatment is based on surgery, preferably minimally invasive approach, whose extension is adapted to the prognostic factors from the pre-therapeutic assessment...
October 24, 2018: Revue Médicale Suisse
Jean-Marc Classe, Cecile Loaec, P Gimbergues, S Alran, C Tunon de Lara, P F Dupre, Roman Rouzier, C Faure, N Paillocher, M P Chauvet, G Houvenaeghel, M Gutowski, P De Blay, J L Verhaeghe, E Barranger, C Lefebvre, C Ngo, G Ferron, C Palpacuer, L Campion
PURPOSE: GANEA2 study was designed to assess accuracy and safety of sentinel lymph node (SLN) after neo-adjuvant chemotherapy (NAC) in breast cancer patients. METHODS: Early breast cancer patients treated with NAC were included. Before NAC, patients with cytologically proven node involvement were allocated into the pN1 group, other patient were allocated into the cN0 group. After NAC, pN1 group patients underwent SLN and axillary lymph node dissection (ALND); cN0 group patients underwent SLN and ALND only in case of mapping failure or SLN involvement...
October 20, 2018: Breast Cancer Research and Treatment
Gilda Varricchi, Antonio Pecoraro, Ludovica Crescenzi, Giancarlo Marone, Antonio Travaglino, Francesco Paolo D'Armiento, Arturo Genovese, Giuseppe Spadaro
BACKGROUND: Common variable immunodeficiency (CVID) encompasses a heterogeneous group of primary antibody deficiency disorders characterized by recurrent infections, autoimmunity and malignancies. Gastrointestinal manifestations are frequently associated with CVID. OBJECTIVE: In this cross-sectional study, we evaluated gastric and duodenal involvement in a cohort of adult patients with CVID. METHODS: Upper gastrointestinal endoscopy was performed in 58 patients (26 males, mean age 47...
October 10, 2018: Current Pharmaceutical Biotechnology
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