Changes

* The aetiology of primary thrombocytopenic disease is often uncertain.

* The aetiology of primary thrombocytopenic disease is often uncertain.

** It is therefore also known as idiopathic thrombocytopenia.

** It is therefore also known as idiopathic thrombocytopenia.

** The cause may be automimmune.

** The cause may be automimmune - see [[Immune Mediated Thrombocytopaenia]].

* Although the [[Bone Marrow - Anatomy & Physiology|bone marrow]] contains adequate normal megakaryocytes, there is a reduced peripheral blood thrombocyte count.   

* Although the [[Bone Marrow - Anatomy & Physiology|bone marrow]] contains adequate normal megakaryocytes, there is a reduced peripheral blood thrombocyte count.   

* Usually seen in young animals.

* Usually seen in young animals.