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■Detailed data
Sex male
Age 55-59
Misc 2000-2004
Chief Complaint Pancytopenia.
Past history Lung cancer.
Present history The bone marrow puncture was performed to rule out cancer metastasis to the bone marrow because the patient had a past history of lung cancer and showed progressive pancytopenia.
Laboratory findings WBC 0.7×10³/μl、
RBC 3.32×106/μl、Hb 9.4g/dl、
Ht 29.1%、PLT 6.8×104/μl
MCV 87.6fl、MCH 28.3pg、MCHC 32.3%
Touch smear of aspirate for dry tap