The specimen of choice to confirm a lymphoma is:

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Lymph node biopsy is considered the gold standard for confirming a lymphoma diagnosis. This is because lymphomas are cancers that affect the lymphocytes, which are present in high concentrations in lymph nodes. A biopsy can provide a tissue sample for microscopic examination, which can help distinguish lymphoma from other conditions that affect the lymph nodes. Bone marrow aspirate may also be used in some cases, but it is less commonly used as a primary diagnostic tool compared to lymph node biopsy. Blood samples and skin biopsies are generally not sufficient for confirming a lymphoma diagnosis.

The Specimen of Choice to Confirm a Lymphoma Is