Person: ATAGÜNDÜZ, IŞIK
Loading...
Email Address
Birth Date
Research Projects
Organizational Units
Job Title
Last Name
ATAGÜNDÜZ
First Name
IŞIK
Name
9 results
Search Results
Now showing 1 - 9 of 9
Publication Open Access Aplastic Anemia Associated with Oral Terbinafine: A Case Report and Review of the Literature(GALENOS YAYINCILIK, 2014-12-05) ATAGÜNDÜZ, IŞIK; Kantarcioglu, Bulent; Turkoz, Huseyin Kemal; Yilmaz, Guven; Tanrikulu, Funda Pepedil; Atagunduz, Isik Kaygusuz; Adiguzel, Cafer; Tuglular, Tulin FirathOnychomycosis (OM) is a common fungal infection of the toenails and/or fingernails that is highly prevalent in the general population and also responsible for significant morbidity. OM is caused by dermatophytes, nondermatophytic molds, or yeast. Today systemic antifungal agents are considered as the gold standard for all types of OM. Here we report a case of aplastic anemia associated with oral terbinafine use and a review of the literature on hematological toxicities associated with terbinafine.Publication Open Access Pulmonary Endarterectomy in a Patient with Immune Thrombocytopenic Purpura(2015) YILDIZELİ, BEDRETTİN; Yıldızeli, Bedrettin; Yanartaş, Mehmed; Keskin, Sibel; Atagündüz, Işık; Altınay, EceImmune thrombocytopenic purpura (ITP) patients are at high risk for bleeding complications regarding surgeries involving cardiopulmonary bypass. We report an ITP patient with chronic thromboembolic pulmonary hypertension who underwent uncomplicated pulmonary endarterectomy with receiving postoperative intravenous immunoglobulin (IVIG) therapy. The positive outcome of this case may suggest that pulmonary endarterectomy surgery is performed safely for ITP patients.Publication Open Access Cytokine storm in COVID-19: pathogenesis and overview of anti-inflammatory agents used in treatment(SPRINGER LONDON LTD, 2020-07) ATAGÜNDÜZ, IŞIK; Soy, Mehmet; Keser, Gokhan; Atagunduz, Pamir; Tabak, Fehmi; Atagunduz, Isik; Kayhan, ServetCOVID-19 infection has a heterogenous disease coursePublication Open Access Giant Intracranial Solitary Plasmacytoma(GALENOS YAYINCILIK) ATAGÜNDÜZ, IŞIK; Kara, Osman; Toptas, Tayfur; Atagunduz, Isik; Bozkurt, Suheyla; Sirikci, Onder; Tuglular, Tulin FiratliPublication Open Access Molecular screening and the clinical impacts of BCR-ABL KD mutations in patients with imatinib-resistant chronic myeloid leukemia(SPANDIDOS PUBL LTD, 2017-12-13) TUĞLULAR, AYŞE TÜLİN; Kockan, Betul; Toptas, Tayfur; Atagunduz, Isik; Tuglular, Ayse Tulin; Ozer, Ayse; Akkiprik, MustafaThe present study aimed to detect the frequency of kinase domain (KD) mutations in order to evaluate their clinical significance and functional importance in 45 patients with chronic myeloid leukemia (CML) who were resistant to imatinib therapy. Sanger sequencing was used (45 patients), along with allele-specific oligonucleotide polymerase chain reaction (ASO-PCR; 3 patients), for the screening of mutations. BCR/ABL KD was amplified by nested PCR and sequencing was performed. Secondly, ASO-PCR was performed to confirm the results of the sequence analysis for E255K mutations. Mutations were detected in 11/45 patients (24.44%) via Sanger sequencing. D241G (4.4%), C369C (4.4%), K285N (2.2%), A380T (2.2%) and A366V (2.2%) mutations were detected. E255K (8.8%) was detected by ASO-PCR and Sanger sequencing. Mutations are a primary reason for suboptimal responses, loss of response and resistance to imatinib. In particular, the E255K mutation, which is characterized by resistance to imatinib and nilotinib, was detected in four patients. Analyzing the mutations and monitoring patients with CML may improve their prognosis and survival rate. ASO-PCR assays will be beneficial for the routine monitoring of mutations.Publication Open Access Hemophagocytic lymphohistiocytosis: a review inspired by the COVID-19 pandemic(SPRINGER HEIDELBERG, 2021-01) ATAGÜNDÜZ, IŞIK; Soy, Mehmet; Atagunduz, Pamir; Atagunduz, Isik; Sucak, Gulsan TurkozHemophagocytic syndrome (HPS) or hemophagocytic lymphohistiocytosis (HLH) is an acute and rapidly progressive systemic inflammatory disorder characterized by cytopenia, excessive cytokine production, and hyperferritinemia. Common clinical manifestations of HLH are acute unremitting fever, lymphadenopathy, hepatosplenomegaly, and multiorgan failure. Due to a massive cytokine release, this clinical condition is considered as a cytokine storm syndrome. HPS has primary and acquired (secondary, reactive) forms. Its primary form is mostly seen in childhood and caused by various mutations with genetic inheritance and, therefore, is called familial HLH. Secondary HLH may be caused in the presence of an underlying disorder, that is, secondary to a malignant, infectious, or autoimmune/autoinflammatory stimulus. This paper aims to review the pathogenesis and the clinical picture of HLH, and its severe complication, the cytokine storm, with a special emphasis on the developed classification criteria sets for rheumatologists, since COVID-19 infection has clinical symptoms resembling those of the common rheumatologic conditions and possibly triggers HLH. MED-LINE/Pubmed was searched from inception to April 2020, and the following terms were used for data searching: hemophagocytic syndrome OR macrophage activation syndrome OR hemophagocytic lymphohistiocytosis, OR cytokine storm. Finally, AND COVID-19 was included in this algorithm. The selection is restricted to the past 5 years and limited numbers of earlier key references were manually selected. Only full-text manuscripts, published in an English language peer-reviewed journal were included. Manuscript selection procedure and numbers are given in Fig. 2. Briefly, the database search with the following terms of Hemophagocytic syndrome OR Macrophage activation syndrome OR Hemophagocytic lymphohistiocytosis OR Cytokine storm yielded 6744 results from inception to April 2020. The selection is restricted to the past 5 years and only limited numbers of earlier key references were selected, and this algorithm resulted in 3080 manuscripts. The addition of (AND COVID-19) resulted in 115 publications of which 47 studies, together with four sections of an online book were used in the final review. No statistical method was used. HLH is triggered by genetic conditions, infections, malignancies, autoimmune-autoinflammatory diseases, and some drugs. In COVID-19 patients, secondary HLH and cytokine storm may be responsible for unexplained progressive fever, cytopenia, ARDS, neurological and renal impairment. Differentiation between the primary and secondary forms of HLH is utterly important, since primary form of HLH requires complicated treatments such as hematopoietic stem cell transplantation. Further studies addressing the performance of HScore and other recommendations in the classification of these patients is necessary.Publication Open Access Bullous Sweet's Syndrome: Report of an Atypical Case Presenting with Ring-Like, Figurate Lesions(GALENOS YAYINCILIK) SALMAN, ANDAÇ; Salman, Andac; Berenjian, Aida; Eser, Ali; Kaymakci, Fatma Dilek; Cinel, Leyla; Atagunduz, Isik Kaygusuz; Yucelten, Deniz; Ergun, TulinPublication Open Access The role of ruxolitinib treatment in JAK-mutated Ph-like acute lymphoblastic leukemia(2023-01-01) DEMİRTAŞ, DERYA; YANIK, AHMET MERT; ATAGÜNDÜZ, IŞIK; TOPTAŞ, TAYFUR; Candan O., Demirtas D., YANIK A. M., ATAGÜNDÜZ I., TOPTAŞ T.Publication Open Access Peripheral T-Cell Lymphoma Coexisting with Autoimmune Hemolytic Anemia: Analysis of Clinical Features(2024-01-01) DEMİRTAŞ, DERYA; YANIK, AHMET MERT; YILMAZ, ASU FERGÜN; ATAGÜNDÜZ, IŞIK; TUĞLULAR, AYŞE TÜLİN; TOPTAŞ, TAYFUR; Candan O., Naghizada N., DEMİRTAŞ D., YANIK A. M., Salim S., Menguc M. U., Arikan F., YILMAZ A. F., ATAGÜNDÜZ I., TUĞLULAR A. T., et al.Autoimmune hemolytic anemia (AIHA) is characterized by the production of antibodies targeting red blood cells (RBCs) antigens. The diagnosis is based on the presence of a hemolytic anemia with a positive direct antiglobulin test (or Coombs test) and on the absence of any other hereditary or acquired cause of hemolysis, although direct antiglobulin test-negative cases are not quite uncommon (5% of 308 cases of AIHA recently reported by the Gruppo Italiano Malattie EMatologiche dell’Adulto [GIMEMA]) [1, 2]. AIHA can present in primary and secondary forms. Secondary AIHA generally includes factors such as connective tissue diseases, drugs, infections, and lymphomas [3]. Cases of AIHA accompanied by lymphoma are rare and are typically presented in the literature as case reports. Roughly one-fifth of AIHA patients have lymphoma, while 7–10% of lymphoma patients have co-existing AIHA, indicating a clinicopathological link between both diseases [4–6]. In clinical settings, AIHA is commonly associated with indolent B-cell lymphomas, whereas the combination of AIHA with peripheral T-cell lymphoma (PTCL) is rarely observed [7–11]. This study retrospectively analyzes the clinical data, laboratory characteristics, treatment processes, and prognosis of five patients with the coexistence of PTCL and AIHA who were diagnosed within the last 10 years in our center.