Question

A 4-year-old girl presents with petechiae on the lower limbs, a normal spleen, platelet count 18 ×10⁹/L and normal haemoglobin and white cell count after a recent viral illness. She is well with no mucosal bleeding. What is the most likely diagnosis?

Accepted Answer

Immune thrombocytopenia

Answer

Acute leukaemia

Answer

Disseminated intravascular coagulation

Answer

Aplastic anaemia

Answer

Thrombotic thrombocytopenic purpura

Practice question

A 4-year-old girl presents with petechiae on the lower limbs, a normal spleen, platelet count 18 ×10⁹/L and normal haemoglobin and white cell count after a recent viral illness. She is well with no mucosal bleeding. What is the most likely diagnosis?