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■Detailed data
Sex female
Age 10-14
Misc 2005-2009
Type of cases Typical case
Chief Complaint Petechiae.
Past history Nothing particular.
Present history In systemic petechiae.
No hepatosplenomegaly.
Laboratory findings WBC 3.3×10³/μl、RBC 3.05×106/μl、Hb 9.4g/dl、Ht 27.4%、MCV 90.0fl、MCH 30.8pg、MCHC 34.3%、PLT 0.4×104/μl、Ret. 0%、BM-NCC 4×104/μl(M/E 0.79)、Mgk 25.0/μl
Fe 182μg/dl
Plasma iron disappearance time(PIDT)1/2:extension Red cell iron utilization (%RCU):decrease