CONTENTSResearch Articles101 Impact of the HEAD-US Scoring System for Observing the Protective Effect of Prophylaxis inHemophilia Patients: A Prospective, Multicenter, Observational StudyKaan Kavaklı, Süha Süreyya Özbek, Ali Bülent Antmen, Fahri Şahin, Şevkiye Selin Aytaç, Alphan Küpesiz, Bülent Zülfikar, Mehmet Sönmez,Ümran Çalışkan, Can Balkan, Tuğana Akbaş, Taner Arpacı, İpek Tamsel, Turgut Seber, Berna Oğuz, Can Çevikol, Mesut Bulakçı, Polat Koşucu,Demet Aydoğdu, İlgen Şaşmaz, Gülen Tüysüz, Başak Koç, Hüseyin Tokgöz, Zuhal Mehrekula, Burcu Özkan; İzmir, Adana, Ankara,İstanbul, Trabzon, Konya, Antalya, Turkey111 Highlighting the Prognostic Importance of Measurable Residual Disease Among Acute MyeloidLeukemia Risk FactorsZehra Narlı Özdemir, Uğur Şahin, Klara Dalva, Mehmet Akif Baltacı, Atilla Uslu, Cemaleddin Öztürk, Güldane Cengiz Seval,Selami Koçak Toprak, Meltem Kurt Yüksel, Pervin Topçuoğlu, Önder Arslan, Muhit Özcan, Meral Beksaç, Osman İlhan, Günhan Gürman,Sinem Civriz Bozdağ; Ankara, Turkey119 Impact of Concomitant Aberrant CD200 and BCL2 Overexpression on Outcome of Acute MyeloidLeukemia: A Cohort Study from a Single CenterMario Tiribelli, Angela Michelutti, Margherita Cavallin, Sara Di Giusto, Renato Fanin, Daniela Damiani; Udine, Italy126 Allogeneic Hematopoietic Stem Cell Transplantation in Extranodal Natural Killer/T-cell LymphomaYin-yin Peng, Yi-ying Xiong, Li-xia Zhang, Jing Wang, Hong-bin Zhang, Qing Xiao, Shu-liang Guo; Chongqing, China138 Comparison of Risk Scoring Systems in HLA-Matched Related Allogeneic Hematopoietic Stem CellTransplantation: A Retrospective Cohort StudyElifcan Aladağ, Haluk Demiroğlu, Yahya Büyükaşık, Hakan Göker; Ankara, TurkeyBrief Report145 Autoimmune Lymphoproliferative Syndrome in Children with Nonmalignant Organomegaly, ChronicImmune Cytopenia, and Newly Diagnosed LymphomaZühre Kaya, Melek Işık, Nihan Oruklu, Serap Kirkiz, Emin Ümit Bağrıaçık, Luis M. Allende, María J. Díaz-Madroñero, Raquel Ruiz-García,Faruk Güçlü Pınarlı, Pınar Göçün Uyar, Ülker Koçak; Ankara, Turkey; Madrid, SpainImages in Hematology151 Unusual Spherical Bodies in Bone Marrow of a Patient with Monoclonal Gammopathy of UndeterminedSignificanceHabib Moshref Razavi; British Columbia, Canada153 Flower-Like Plasma Cell Nuclei in Multiple MyelomaAbibatou Sall, Moussa Seck, Diama Samb, Blaise Faye, Macoura Gadji, Saliou Diop, Awa Oumar Touré; Dakar, SenegalLetters to the Editor155 Immune Thrombotic Thrombocytopenic Purpura in a Patient with Suspected COVID-19:Hydroxychloroquine Culprit or Just Happenstance?Tajamul H. Mir; Srinagar, IndiaA-IX
157 Antithrombin, COVID-19, and Fresh Frozen Plasma TreatmentRujitttika Mungmungpuntipantip, Viroj Wiwanitkit; Bangkok, Thailand; Pune, India159 Is Sickle Cell Trait Really Innocent?Mahmut Yeral, Can Boğa; Adana, Turkey161 Novel Mutation p.Asp374Val of SERPINC1 in a Turkish Family with Inherited AntithrombinDeficiencyDeniz Aslan; Ankara, Turkey163 An Interesting Case: Sunitinib-Induced Microangiopathic Hemolytic Anemia and NephroticSyndromeVeysel Haksöyler, Semra Paydaş; Adana, Turkey165 Kimura Disease Associated with Minimal Change DiseaseRafet Eren, Enes Cömert, İlknur Mansuroğlu, Esma Evrim Doğan, Gülay Kadıoğlu; İstanbul, Turkey167 Acute Kidney Injury Due to Leukemic Infiltration in a Patient with Chronic Lymphocytic LeukemiaGizem Kumru Şahin, Hasan Emre Kocabay, Saba Kiremitçi, Osman İlhan, Kenan Keven; Ankara, Turkey169 Gastric Cancer or Plasmacytoma in a Seemingly Well-Controlled Multiple Myeloma Patient?Wanlu Ma, Boju Pan, Lu Zhang; Beijing, China171 Prolonged Severe Watery Diarrhea in a Long-Term Myeloma Survivor: An Unforeseen Infection withCystoisospora belliTarık Onur Tiryaki , Kadir Uluç Anıl, Melek Büyük, Ahmet Yasir Yıldırım, Alp Atasoy, Aslı Çiftçibaşı Örmeci, Sevgi Kalayoğlu Beşışık;İstanbul, Turkey173 Persistent Polyclonal B-Cell Lymphocytosis with Binucleated LymphocytesBerrin Balık Aydın, Yaşa Gül Mutlu, Ömür Gökmen Sevindik; İstanbul, TurkeyA-X