期刊
MODERN PATHOLOGY
卷 35, 期 8, 页码 1121-1125出版社
ELSEVIER SCIENCE INC
DOI: 10.1038/s41379-022-01015-9
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资金
- National Cancer Institute [R00CA218667]
Chronic lymphocytic leukemia/small lymphocytic lymphoma (CLL) is characterized by proliferation centers (PCs) and can transform into aggressive lymphomas like Richter transformation (RT) or an accelerated phase (aCLL). Distinguishing between different forms of CLL in small biopsy specimens can be challenging.
Chronic lymphocytic leukemia/small lymphocytic lymphoma (CLL) is characterized morphologically by numerous small lymphocytes and pale nodules composed of prolymphocytes and paraimmunoblasts known as proliferation centers (PCs). Patients with CLL can undergo transformation to a more aggressive lymphoma, most often diffuse large B-cell lymphoma (DLBCL), known as Richter transformation (RT). An accelerated phase of CLL (aCLL) also may be observed which correlates with subsequent transformation to DLBCL, and may represent an early stage of transformation. Distinguishing PCs in CLL from aCLL or RT can be diagnostically challenging, particularly in small needle biopsy specimens. Available guidelines pertaining to distinguishing CLL from its' progressive forms are limited, subject to the morphologist's experience and are often not completely helpful in the assessment of scant biopsy specimens. To objectively assess the extent of PCs in aCLL and RT, and enhance diagnostic accuracy, we sought to design an artificial intelligence (AI)-based tool to identify and delineate PCs based on feature analysis of the combined individual nuclear size and intensity, designated here as the heat value. Using the mean heat value from the generated heat value image of all cases, we were able to reliably separate CLL, aCLL and RT with sensitive diagnostic predictive values.
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