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Dr. Andrew Rynne
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Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Drop In WBC Count From 3.7 To 2.9?

My white blood cell counts have dropped to 2.9 from 3.7 six months ago. I had a needle biopsy on Friday. I have an enlarged lymph gland/node in my back for 6/7 years with no changes until this last year. It grew from 4.3 cm to 6.2 cm. I have no outward symptoms, no weight loss, no loss of appetite, no chills, fevers or night sweats. Do you have any thought of what might be cause of drop in white count, other than Lymphoma? RBC 4.60; hgb 14.1;hct 43.1;plat 190 down from 212; gran# 1.4 ( I don t know what that is it is marked as low on lab report). Thank you
Tue, 2 Dec 2014
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Pathologist and Microbiologist,  's  Response
Hello and welcome to HCM,
A needle biopsy is not responsible for fall in white blood cell count from 3.7 to 2.9.
Both the values- 3.7 and 2.9 are on lower than the normal range, thus, the difference is not of much consequence.
Low white blood cell count can occur in case of severe infection or bone marrow depression. A low granulocytes count is also a consequence of low white blood cell count.
All other parameters- red blood cell count, hemoglobin, hematocrit and platelet counts are within normal limit.
Thus, all other parameters are within normal limits.
Consult your primary healthcare provider to find out the cause of low white blood cell count.

Thanks and take care
Dr Shailja P Wahal
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What Causes Drop In WBC Count From 3.7 To 2.9?

Hello and welcome to HCM, A needle biopsy is not responsible for fall in white blood cell count from 3.7 to 2.9. Both the values- 3.7 and 2.9 are on lower than the normal range, thus, the difference is not of much consequence. Low white blood cell count can occur in case of severe infection or bone marrow depression. A low granulocytes count is also a consequence of low white blood cell count. All other parameters- red blood cell count, hemoglobin, hematocrit and platelet counts are within normal limit. Thus, all other parameters are within normal limits. Consult your primary healthcare provider to find out the cause of low white blood cell count. Thanks and take care Dr Shailja P Wahal