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Idiopathic Aplastic Anemia

Last updated March 14, 2018

Approved by: Krish Tangella MD, MBA, FCAP

Aplastic anemia is a disorder that occurs due to bone marrow failure. Bone marrow is the soft, yellow (fatty) tissue located in the center of the bone.


The topic Idiopathic Aplastic Anemia you are seeking is a synonym, or alternative name, or is closely related to the medical condition Acquired Aplastic Anemia.

Quick Summary:

  • Aplastic anemia is a disorder that occurs due to bone marrow failure. Bone marrow is the soft, yellow (fatty) tissue located in the center of the bone
  • The blood cells are formed by stem cells located in the bone marrow. The 3 major types of blood cells are RBCs (red blood cells), WBCs (white blood cells), and platelets
  • In aplastic anemia, these stem cells are destroyed; due to which, the production of all the 3 blood cell types are affected, leading to a decreased count of blood cells (pancytopenia)

Aplastic anemia is broadly classified into Inherited Aplastic Anemia and Acquired Aplastic Anemia. Acquired Aplastic Anemia is a rare disorder:

  • In 75% of the cases, the cause is not identified, in which case it is known as Idiopathic Aplastic Anemia
  • In about 25% of the cases of Acquired Aplastic Anemia, the cause may be identified

Please find comprehensive information on Acquired Aplastic Anemia regarding definition, distribution, risk factors, causes, signs & symptoms, diagnosis, complications, treatment, prevention, prognosis, and additional useful information HERE.

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Reviewed and Approved by a member of the DoveMed Editorial Board
First uploaded: June 14, 2017
Last updated: March 14, 2018