Page 144 - Rule Outs in Small Animal Medicine, Problem-oriented Assessment of Problems in Physical Examination and Clinical Pathology, 2nd Edition

Basic laboratory diagnostics Basic laboratory diagnostics
Haematology Haematology

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Thrombocytosis Thrombocytopenia

Increased Decreased
Reduced storage Emptying of Increased Sequestration Destruction consumption production
space storage production

– Immune- – DIC Primarily
Splenomegaly mediated – Haemorrhage Pancytopenia thrombocytic line
Asplenia (e.g. after Emptying of bone Emptying of spleen Uncontrolled Stimulation thrombo- affected
splenectomy) marrow production
cytopenia
– Anaplasmosis
(Anaplasma
– Systemic platys infection) – Lymphoma – Ehrlichiosis and
– Megakaryocyte – Regenerative infection – Drug toxicity other rickettsial
Glucocorticoid – Autoimmune (e.g. cytostatics, infections
Vincristin therapy leukaemia (rare) overproduction
influence (e.g. massive disease sulphonamides) – Oestrogen
regeneration of – Splenic – Oestrogen intoxication (dog)
erythrocytes or neoplasia intoxication (dog) – FeLV infection (cat)
neutrophils) – Splenic torsion – Chronic ehrlichiosis
– Leishmaniosis
– Hyperadreno- – Intoxication
corticism (e.g. lead, thallium)
– Iatrogenic – FeLV infection (cat)
(glucocorticoid
therapy)

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