Haemoglobin F is raised in:
Answer is A (Juvenile CML) Fetal Haemoglobin levels (HbF) are increased in most cases of Juvenile CML - Causes of Raised HbF levels (Interpretation of Diagnostic Test 8th/411, 412) Haemoglobinopathies - b thalassemia major - b thalassemia minor - Sickle cell disease Hereditary Persistance of HbF Anemia: - Non Hereditary refractory normoblastic anemia - Pernicious anemia - Aplastic anemia Leukemia specially Juvenile Myeloid Leukemia Multiple myeloma Molar pregnancy Patients with Trisomy 13 or Trisomy 21 (Down's syndrome) Some chronic viral infections (eg CMV, EBV)
Juvenile chronic myeloid leukemia
Hereditary spherocytosis
Congenital red cell aplasia
Mysthania gravis