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Low white count means low white cell count.
There are many reasons for this including a viral infection, bone marrow disorders etc.
This requires further evaluation and repeat testing/bone marrow examination if deemed necessary by your doctor.
High PSA levels can be due to a prostate problem, and this should further be evaluated in terms of a prostate examination and ultrasound; to make sure that there is no prostate cancer.
You should see an Internist first, and discuss with him further work up and management plan.
If deemed necessary, he can involve a Hematologist and/or a Urologist in management.
I hope this clarifies and answers your question.
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