Table of Contents
Definition / general | Microscopic (histologic) images | Positive staining - normal | Positive staining - disease | Negative stainingCite this page: Pernick N. DBA-44. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/stainsdba44.html. Accessed November 28th, 2024.
Definition / general
- Antibody raised against B cell centroblastic cell line
- Also written as DBA.44, DBA44
- Does not appear to be the same antibody as CD72, Am J Surg Pathol 1996;20:613 is apparently wrong
Positive staining - normal
- Mantle zone of hyperplastic follicles
Positive staining - disease
- Hairy cell leukemia (particularly "hairy" cytoplasmic processes)
- Splenic margin zone lymphoma (71%, Am J Surg Pathol 2007;31:438)
- Follicular center cell lymphomas (46%)
- High grade B cell lymphomas
Negative staining
- CLL