Uzm. Dr.Okan Yayar

  • İlgi Alanları
  • Lenfoma
  • Lösemi
  • Kök hücre tedavisi
  • Hematolojik hastalıklar
  • Aferez
  • Multipl myelom

Eğitim ve Uzmanlık
2013 - 2016 - Dışkapı Yıldırım Beyazıt E.A.H. Hematoloji Hematoloji Yan Dal Asistanı
1999 - 2003 - Ssk Dışkapı Ankara Eğitim Hastanesi, 3. Dahiliye Kliniği Dahiliye Asistanı
1996 - 1998 - Çukurova Üniversitesi Tıp Fakültesi(Yatay Geçiş)
1992 - 1996 - Trakya Üniversitesi Tıp Fakültesi

Deneyim
2018 - 2019 - Manisa Devlet/Şehir Hastanesi, İç Hastalıkları Ve Hematoloji Uzmanı
2016 - 2018 - Çanakkale Devlet Hastanesi, İç Hastalıkları Ve Hematoloji Uzmanı
2013 - 2016 - Dışkapı Yıldırım Beyazıt E.A.H. Hematoloji, Hematoloji Yan Dal Asistanı
2007 - 2013 - Özel Sektör (Hastane Ve Tıp Merkezleri) Özel Salihli Hastanesi , Manisa İç Hastalıkları Uzmanı Özel Ada Tıp Merkezi, Ankara İç Hastalıkları Uzmanı
Özel Lokman Hekim Hastanesi, Ankara İç Hastalıkları Uzmanı                                         
Özel Tepe Tıp Merkezi, Ankara İç Hastalıkları Uzmanı
2006 - 2007 - Sarıgöl Devlet Hastanesi/Manisa İç Hastalıkları Uzmanı Ve Başhekim
2004 - 2005 - Edirne Ssk Hastanesi İç Hastalıkları Uzmanı
1998 - 1999 - Nevşehir 4 No Lu Sağlık Ocağı Pratisyen Hekim        

1. T-cell prolymphocytic leukemia case with central nervous system involvement

UY Malkan, G Gunes, O Yayar… - … journal of clinical and …, 2015 - ncbi.nlm.nih.gov

T-cell prolymphocytic leukemia (T-PLL) is an aggressive mature T cell neoplasm that

typically involves peripheral blood, bone marrow, lymph nodes and spleen. It is a rare

disease that comprises 2-5% of mature lymphocytic leukemia in adults. Here we present a T …

 

2.The factors affecting early death after the initial therapy of acute myeloid leukemia

UY Malkan, G Gunes, E Eliacik… - … journal of clinical and …, 2015 - ncbi.nlm.nih.gov

There are some improvements in management of acute myeloid leukemia (AML). However,

induction-induced deaths still remain as a major problem. The aim of this study is to assess

clinical parameters affecting early death in patients with AML. 199 AML patients, who were …

 

3.Diffuse large B cell lymphoma with extensive cutaneous relapse

UY Malkan, G Gunes, O Yayar… - Case reports in …, 2015 - hindawi.com

Herein, we aimed to report a diffuse large B cell lymphoma (DLBCL) case that had extensive

cutaneous relapse with no skin involvement previously. A 59-year-old man presented to

hospital in April 2014 with fatigue, anorexia, fever, and anemia. Cervical lymph node biopsy …

 

4.An unusual case of CD5 negative Mantle cell lymphoma presenting with IgM monoclonal gammopathy

B Onec, M Oktay, H Okutan, M Albayrak… - Journal of …, 2016 - Springer

To the editor, Mantle cell lymphoma (MCL) accounts for 3–10% of all non-Hodgkin's

lymphomas (NHL) and is clinically characterized by involvement of the lymph nodes, spleen,

blood, and bone marrow. Survival mostly depends on risk factors and ranges from 29 …

 

5.İnflamasyon ve Adezyon Molekülleri

O Yayar, S Sezer, O Levent, ÖY Yayar - dirim.com

The molecules taking part in the interractions of cells with each other and with extracellular

matrix are named as adhesion molecules. They are grouped into four according to their

functional features and chemical structures as immunoglobulinsuperfamily, integrins …

 

6.U ÇELEBİ, HAN Ünsal, O YAYAR, G ÇELEBİ… - ichastaliklaridergisi.org

Kikuchi-Fujimoto disease is a benign self-limiting disease of unknown etiology that presents

itself often with servical lymphadenopathies. The clinical and histopathological

characteristics cause the disease to be usually misdiagnosed as lymphoma, infectious …

 

7.ES Can, H Okutan, BÖ Müftüoğlu… - Ortadogu Medical …, 2016 - search.ebscohost.com

Chronic lymphocytic leukemia is one of the chronic lymphoproliferative disorders. CLL is

characterized by monoclonal functionally-inefficient lymphocytes accumulation. Chronic

lymphocytic leukemia cells can infiltrate any organ, but skin is the most commonly infiltrated …

 

8. H1N1 (Swine-Flu) Induced Pneumonia and Respiratory Failure Leading to Death in a Patient with Acute Myeloblastic Leukaemia: Case Report

A Yıldız, M Albayrak, H Okutan, FA Altay… - J Clin Med Case Stud …, 2017 - researchgate.net

ABSTRACT H1N1 is an influenza A virus which is a member of the orthomyxoviridea family.

Severe influenza A virus (H1N1) infection is associated with risk factors such as pregnancy,

immunosuppression and obesity. Acute Myeloblastic Leukaemia (AML) is the most common …

 

9.Late Onset and Protracted Course of Steroid Refractory Chronic Graft-versus-Host Disease

G Gunes, H Demiroglu, H Goker, UY Malkan… - Case reports in …, 2015 - hindawi.com

Chronic graft-versus-host disease (cGVHD) is one of the most important causes of morbidity

and mortality after allogeneic hematopoietic stem cell transplantation (aHSCT). Occurring in

30% to 70% of patients, cGVHD has a median time to onset of 4 to 6 months and most cases …

 

10.The Impact of Iron Overload on Transplant-Related Complications and Prognosis of Acute Leukemias

UY Malkan, G Gunes, E Eliacik… - International Journal of …, 2016 - uhod.org

The impacts of serum iron parameters and/or radiological evidence of systemic iron

overload on the prognosis of hematopoietic stem cell transplantation (HSCT) in acute

leukemia are controversial. Unfortunately, some of the studies evaluating iron overload in …

 

11.The rare coexistence of high titer inhibitor development and gastrointestinal stromal tumor in a patient with severe hemophilia: A case report

A Yıldız, O Şahin, O Yayar, ÇP Öztürk… - … and Apheresis Science, 2018 - Elsevier

Hemophilia is a hereditary disease with impaired blood coagulation due to a genetic

deficiency of blood coagulation factors. The development of inhibitors further complicates

the course of the disease and management. The case is here reported of a haemophilia …

 

12.Melanonychia Secondary to Long-Term Treatment with Hydroxycarbamide: An Essential Thrombocytosis Case

UY Malkan, G Gunes, E Eliacik, O Yayar… - Case reports in …, 2015 - hindawi.com

Hydroxycarbamide is used in the treatment of essential thrombocytosis and other

myeloproliferative disorders. We report the case of a 63-year-old woman with essential

thrombocytosis who had melanonychia after the long-term use of the hydroxycarbamide with …

 

13.Longitudinale Melanonychie bei Einnahme von Hydroxycarbamid: Longitudinal melanonychia induced by hydroxyurea therapy

S Neynaber, H Wolff, G Plewig… - JDDG: Journal der …, 2004 - Wiley Online Library

… 2 Umit Yavuz Malkan, Gursel Gunes, Eylem Eliacik, Okan Yayar, Ibrahim Celalettin Haznedaroglu,

Melanonychia Secondary to Long-Term Treatment with Hydroxycarbamide: An Essential

Thrombocytosis Case, Case Reports in Hematology, 2015, 2015, 1 CrossRef; …

 

             BİLDİRİLER

 

  1. BORTEZOMİB SONRASI GELİŞEN ŞİDDETLİ GASTROENTERİT: OLGU SUNUMU. Başak Ünver Koluman1, Harika Okutan1, Murat Albayrak1, Esra Sarıbacak Can1, Ceyda Aslan1, Okan Yayar1, Birgül Ay1, Özge Soyer Kösemehmetoğlu1, Birgül Öneç2, Vedat Aslan3. 1Dışkapı Yıldırım Beyazıt Eğitim ve Araştırma Hastanesi, Hematoloji Kliniği, Ankara, 2Düzce Üniversitesi Araştırma ve Uygulama Hastanesi, İç Hastalıkları Anabilim Dalı, Düzce, 3Diyarbakır Gazi Yaşargil Eğitim ve Araştırma Hastanesi, Hematoloji Kliniği, Diyarbakır(40. Ulusal Hematoloji Kongresi)