HMC Doha Qatar

1 Introduction Allogeneic hematopoietic stem cell transplantation (allo-HSCT) remains the only potentially curative therapy for many patients with high-risk or advanced myeloid neoplasms, including acute myeloid leukemia (AML), myelodysplastic syndromes (MDS), and related overlap entities.

1 Introduction Gallbladder diseases are considered the most common pathology of the biliary tree and the common reason for surgical department admissions [1, 2]. In the Western world, approximately 15% of the population has asymptomatic gallstones, whereas up to 25% of them may experience biliary colic, with 4% of these cases progressing to acute cholecystitis or biliary pancreatitis [3].

1 INTRODUCTION Sickle cell disease (SCD) is a group of inherited diseases characterized by the presence of hemoglobin S (Hb S), either by homozygosity for the sickle mutation (Hb SS) or by mixed heterozygosity with another beta-globin variant (e.g., sickle beta thalassemia, Hb SC disease). It is one of the most common hemoglobinopathies, especially in Middle Eastern countries. The hallmarks of SCD are recurrent vaso-occlusive crises and hemolytic anemia.