A member asked:

My son needs paternity test 4 yrs 5mos postunmatched donor cord blood transplant? thoughts? buccal swab causing problems pediatric hemoc question

A doctor has provided 1 answer
Dr. Craig MacArthur answered

Specializes in Pediatric Hematology and Oncology

Non blood tissue: The unrelated donor stem cell transplant prevents the use of blood cells for paternity testing of the child. Next step is usually buccal swab, but you indicate there are problems with this. Final step is a skin biopsy, but this is invasive. I would question why a buccal smear could not be done, and would repeat buccal swab before moving on to skin biopsy.

Answered 11/9/2015

4.9k views

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