Immunity/The immune system is a host defense system comprising many biological structures and processes within an organism that protects against disease. To function properly, an immune
Felty Syndrome (FS) is an uncommon extra-articular manifestation of seropositive rheumatoid arthritis (RA) characterized by RA, neutropenia, and splenomegaly. Felty
Periodic Neutropenia/Cyclic Neutropenia is a very rare hematological condition and is characterized by regular fluctuations in blood neutrophil counts, leading
Cyclic Hematopoiesis/Cyclic Neutropenia is a very rare hematological condition and is characterized by regular fluctuations in blood neutrophil counts, leading
Cyclic Neutropenia is a very rare hematological condition and is characterized by regular fluctuations in blood neutrophil counts, leading to
Neutropenic Fever is when there is a single oral temperature of greater than or equal to 101 F, or a
Febrile Neutropenia is the development of fever, often with other signs of infection, in a patient with neutropenia, an abnormally low number of neutrophil granulocytes (a
Autoimmune Neutropenia your body makes antibodies that fight your neutrophils. These antibodies kill the neutrophils, and this causes neutropenia. Autoimmune
Congenital Neutropenia is present at birth. Severe congenital neutropenia is also called Kostmann syndrome. It causes very low neutrophil levels.
Neutropenia is an abnormally low concentration of neutrophils (a type of white blood cell) in the blood.[4] Neutrophils make up the majority of circulating white
Secondary polycythemia is caused by either natural or artificial increases in the production of erythropoietin, hence an increased production of erythrocytes.
Primary polycythemia are due to factors intrinsic to red cell precursors. Polycythemia vera (PCV), polycythemia rubra vera (PRV), or erythremia, occurs when excess
Erythrocytosis refers to an increase in the absolute red blood cell (RBC) mass in the body. In practice, this is
Polycythemia or erythrocytosis refers to an increase in the absolute red blood cell (RBC) mass in the body. In practice,
MPNs (Myeloproliferative neoplasms) are a group of rare blood cancers in which excess red blood cells, white blood cells or platelets are produced in the bone
Myeloproliferative neoplasms (MPNs) are a group of rare blood cancers in which excess red blood cells, white blood cells or platelets are produced in the bone marrow. Myelo refers