A 3 year old male was admitted to the hospital with scattere…

A 3 year old male was admitted to the hospital with scattered petechiae and epistaxis (nosebleeds). The patient had normal growth and no other medical problems other than a bout of chicken pox 3 weeks earlier.  His family history was unremarkable.  Test Value Reference Range PT 11 sec 10-13 sec APTT 32 sec 28-37 sec Platelet count 18,000/ul 150,000-450,000/ul Bleeding time 21 min 2-6 min These clinical and laboratory manifestations are consistent with which condition? 

You are the technologist reviewing blood smears and notice m…

You are the technologist reviewing blood smears and notice many of the white cells look like the picture below.  Additional lab results on this patient include a normal platelet count and an abnormal bleeding time, and no aggregation with any platelet agonists.  What is the most probable diagnosis for this patient?