What is the role of a pathological evaluation in the diagnosis of diffuse large cell lymphoma?

Updated: Jun 12, 2019
  • Author: Shipra Gandhi, MBBS; Chief Editor: Emmanuel C Besa, MD  more...
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Answer

Pathological evaluation is extremely important in the diagnosis of diffuse large B-cell lymphoma (DLBCL). Sufficient biopsy material and formal consultation by an experienced hematopathologist is mandatory. The preferred diagnostic procedure is an excisional biopsy, unless contraindicated because of significant comorbid conditions, the clinical scenario (eg, rapidly growing nodal masses requiring urgent treatment), or the location of nodal/extranodal-involved sites. In cases in which excisional biopsy cannot be performed, multiple core biopsies are acceptable. Fine-needle aspiration (FNA) has a high yield of false-negative results and is not recommended in the workup and diagnosis of patients with a suspected diagnosis of DLBCL or any other forms of lymphoma.


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