Published 22 July 2009, doi:10.1136/bmj.b2894
Cite this as: BMJ 2009;339:b2894

Endgames

OnExamination quiz

Paediatric haematology

The first 100% of the full text of this article appears below.

The answer to this question and more questions on this topic are available from www.onexamination.com/endgames until midnight on Wednesday.

This week’s quiz is on paediatric haematology and is taken from the OnExamination revision questions for part 2 of the MRCPCH exam.

These blood test results are from a girl of eleven months who has purpura.

Haemoglobin 10.7 g/dl (11.5-16.5)
White cell count 11.4x109/l (4-11)
Platelet count 14x109/l (150-400)
Activated partial thromboplastin time 1.1 secs
Prothrombin time 16 secs (11.5-15.5)
International normalised ratio 1.0 (<1.4)
Fibrinogen 2.1 g/l (1.8-5.4)
Fibrin-fibrinogen degradation products Normal

What is the most likely diagnosis?

A Accidental injury
B Acute lymphoblastic leukaemia
C Idiopathic thrombocytopaenic purpura
D Non-accidental injury
E Von Willebrand’s disease

Cite this as: BMJ 2009;339:b2894


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