Changes

==Description==

==Description==

Neutropenia refers to a reduction in number of [[Neutrophils|neutrophils]] circulating in the blood.  As with deficiencies in other types of blood cell, neutropenia may occur due to failure to produce sufficient cells or due to excessive loss of cells as part of a pathological process.  The major causes of neutropenia are:

Neutropenia refers to a reduction in number of [[Neutrophils|neutrophils]] circulating in the blood.  As with deficiencies in other types of blood cell, neutropenia may occur due to failure to produce sufficient cells or due to excessive loss of cells as part of a pathological process.  The major causes of neutropenia are:

**Myelophthisis that may be due to myelofibrosis or to the growth of tumours that replace or displace normal [[Bone Marrow - Anatomy & Physiology|bone marrow]].  The most common type of tumour that cause myelophthisis are myeloproliferative or lymphoproliferative diseases.

**Myelophthisis that may be due to myelofibrosis or to the growth of tumours that replace or displace normal [[Bone Marrow - Anatomy & Physiology|bone marrow]].  The most common type of tumour that cause myelophthisis are myeloproliferative or lymphoproliferative diseases.

[[Category:Haematology Changes]][[Category:To Do - James]]

[[Category:Haematology Changes]]